English
GISMA GUANGZHOU 2027 Shoemaking Industry (Equipment · Tools · Raw Materials · Chemicals) Encyclopedia
Updated on 07.03
Footwear Industry (Equipment · Tools · Raw Materials · Chemicals) Encyclopedia
The footwear industry is a core branch of light industry manufacturing. It is a systematic manufacturing system centered on shoe structural design, material processing, component sewing, molding and bonding, and finishing and packaging. It covers the production of all categories of civilian casual shoes, sports shoes, leather shoes, work shoes, and functional shoes. Modern footwear industry integrates mechanical automation, rubber and plastic chemicals, textile technology, and precision molding technology to form a standardized, streamlined, and modular production system. This entry, based on national standard footwear production processes, completely includes the machinery, hand tools, raw and auxiliary materials, and special chemical materials for the entire footwear production process. It adopts a rigorous classification, hierarchical definition, and process association annotation in the style of Wikipedia, covering the entire chain from raw material pretreatment to finished product packaging. It is a standardized tool encyclopedia entry for the footwear industry.
The mainstream shoemaking processes are divided into five major categories: cold cementing (for mass production), Goodyear welt construction (for high-end leather shoes), injection molding, vulcanization, and stitch-and-turn. All equipment, materials, and chemical supplies are adapted to the corresponding processes. This entry focuses on the general mass-produced cold cementing process, compatible with specialized shoemaking processes and categories.
Chapter 1: System of Equipment and Hand Tools for Complete Shoemaking Processes
This chapter is organized according to the standard production flow of shoemaking: cutting and blanking → skiving and thinning leather pieces → upper pre-treatment and decoration → stitching → sole preparation and processing → molding, cementing, and shaping → finishing and trimming → finished product inspection and packaging. Industrial-grade equipment and specialized hand tools are cataloged by process, with their functions, applicable scenarios, and process attributes indicated.
Section 1: Cutting Process (Blanking Process)
Process Definition: Cutting upper raw materials such as leather, mesh, microfiber, and fabric into standard upper parts, reinforcing parts, and lining parts according to shoe patterns. This is the first core process in shoemaking, determining the dimensional accuracy of shoe materials and material utilization rate.
I. Core Mechanical Equipment
- Hydraulic Swing Arm Cutting Machine (Rocking Arm Cutting Machine): Basic general-purpose cutting equipment, suitable for cutting small leather pieces, interlinings, and foam. Flexible operation, suitable for small to medium batch production.
- Four-Column Hydraulic Precision Cutting Machine: High-precision cutting equipment with uniform pressure and accurate positioning, specifically for cutting top-grain leather, microfiber, and high-density fabrics. Leaves no pressure marks and has minimal dimensional error.
- Gantry Type Multi-layer Die Cutting Machine: Specialized equipment for mass production, capable of cutting multiple layers of stacked material at once, suitable for flexible fabrics such as mesh, knitted fabric, and canvas, significantly improving mass production efficiency.
- Computer numerical control vibrating knife cutting machine: Knife mold-free intelligent cutting equipment, relying on CAD pattern data, no need for custom knife molds, suitable for irregular shoe uppers, hollowed-out parts, small batch custom shoes, compatible with all flexible shoe materials.
- Laser cutting and engraving machine: High-precision special processing equipment for shoe upper hollowing, engraving, LOGO precision cutting, and pattern carving. Suitable for materials such as leather, microfiber, and TPU film, with smooth edges and no burrs.
- Automatic material stacking and feeding production line: Supporting automated equipment for automatic material spreading, stacking, and conveying of raw materials, reducing manual errors, suitable for large-scale assembly line production.
- Die grinding/quenching machine: Special equipment for die maintenance, used for grinding and hardening steel punches, extending the service life of dies, and ensuring cutting accuracy.
- Cutting dust collection and recovery machine: Environmental auxiliary equipment for collecting leather scraps and fabric scraps generated during cutting, purifying the workshop environment, suitable for genuine leather and suede cutting processes.
II. Special Hand Tools
Steel punch (custom die), industrial utility knife, leather scissors, precision steel ruler, size ruler, mercury positioning pen, positioning cone, rubber cutting mat, rubber hammer, material distribution stand, material rack, turnover cart, counting board, color difference comparison sample card.
Section 2: Skinning Process (Leather Thinning and Shaping)
Process definition: Thinning the entire or partial leather, microfiber, and leather components, and chamfering the edges to ensure uniform thickness of the shoe upper and flat edge fitting. This process solves problems of uneven leather thickness and wrinkling during molding, and is an essential process for leather shoes and high-end sports shoes.
I. Core Mechanical Equipment
- Vertical Precision Whole Hide Splitting Machine: Equipment for thinning entire hides, allowing precise control of overall thickness. Suitable for pre-treatment of whole cowhides and microfiber boards.
- Benchtop Small Skiving Machine: Small-piece specialized skiving equipment, for precise thinning of shoe tongues, toe box edges, heel reinforcements, and small upper parts.
- Round knife skiving machine: specialized equipment for irregular parts, suitable for skiving and thinning the edges of curved shoe uppers and curved components to ensure smooth curves and better fit.
- Edge skiving machine (beveling machine): dedicated edge processing equipment that skives the edges of leather into a beveled shape, ensuring a smooth and aesthetically pleasing upper after stitching and bonding, without any protrusions.
- Automatic feeding sheet skiving production line: automated mass production equipment that achieves continuous feeding and uniform skiving speed, with consistent thickness error, suitable for large-volume standardized production.
- Sheet skiving grinding machine, dedicated vacuum cleaner: equipment maintenance and environmental protection accessories, ensuring blade sharpness and absorbing leather scraps and dust generated during skiving.
II. Specialized Hand Tools
Leather thickness caliper, material positioning block, industrial cleaning brush, sharpening oil stone, thickness comparison sample.
Section III: Shoe Upper Pre-treatment and Decoration Processes
Process Definition: Punching, embossing, hot stamping, printing, laminating, softening, and pre-setting of cut shoe upper parts to complete the exterior decoration and structural reinforcement of the shoe upper, enhancing breathability, aesthetics, and structural stability.
I. Core Mechanical Equipment
- Pneumatic multi-head punching machine: conventional breathable hole processing equipment for punching breathable holes in mesh shoes and casual shoe uppers, with uniform hole diameter and high efficiency.
- CNC Computer Punching Machine: High-precision irregular punching equipment, suitable for processing irregular ventilation holes, decorative holes, and positioning holes, ensuring precise and uniform patterns.
- Hydraulic Hot and Cold Stamping Machine: Shoe upper decoration equipment, used for hot stamping gold, silver, logos, and textures, suitable for leather, microfiber, and fabric uppers.
- High-Frequency Embossing Machine: Embossing equipment specifically for PVC, TPU, and leather, used to create three-dimensional textures, brand textures, and decorative patterns with long-lasting shaping effects.
- Shoe Upper Sponge Hot Laminating Machine: Bonding and laminating equipment that achieves hot pressing and lamination of fabrics with sponges, foams, and interlinings, enhancing the softness and three-dimensionality of shoe uppers.
- 3D Shoe Toe and Heel Hot Press Shaping Machine: Pre-shaping equipment for pre-pressing and shaping shoe toe puffs, heel counters, and reinforcing pieces, ensuring the finished shoe shape is neat and resistant to deformation.
- Shoe Upper Local Automatic Spraying Machine: Pre-treatment spraying equipment for pre-coating reinforcing areas and edge-wrapping areas of shoe uppers with primer, improving the adhesion strength of subsequent bonding.
- UV Printer, Screen Printing Table, Pad Printing Machine: Marking and printing equipment used for printing logos, text, and patterns on shoe uppers, tongues, and heels, ensuring colors are firm, wear-resistant, and do not peel off.
- Shoe Upper Steam Softening Machine: Physical pre-treatment equipment that softens hard leather and microfiber through high-temperature steam, eliminating fabric stiffness and wrinkles, facilitating subsequent last fitting and molding.
II. Specialized Hand Tools
Multi-specification punching pins, hot stamping/silver foil, custom embossing molds, positioning fixtures, industrial hot air guns, silicone pressure rollers, screen printing squeegees, registration rulers.
Section 4: Sewing Process (Core of Upper Assembly)
Process Definition: Assembling cut and pre-processed upper components, linings, and reinforcements through sewing to form the complete upper body. This process determines the upper's structural strength, shape regularity, and aesthetic texture.
I. Core Sewing Machinery and Equipment
- High-speed Lockstitch Machine: Basic sewing equipment, suitable for flat sewing of mesh fabric, knitted fabric, thin microfiber, and lining fabric, ensuring uniform and fine stitches.
- Post-bed Sewing Machine (Heavy Material Sewing Machine): Specialized equipment for thick materials, suitable for sewing genuine leather, thick foam, tongue, heel thick edge wrapping, and multi-layer splicing.
- Computerized Pattern Sewing Machine: Intelligent specialized sewing equipment for automatically sewing logos, decorative patterns, reinforcing stitches, and irregular shapes, ensuring standard and uniform stitches without manual error.
- Double/Triple/Multi-needle Shirring Machine: Specialized equipment for decoration and structure, used for decorative stitching, shirring, and decorative double stitching on uppers, enhancing the upper's three-dimensionality and firmness.
- Overlock machine (serger): Fabric protection equipment, used for overlocking the edges of mesh fabric, knitted fabric, and linings to prevent unraveling, fraying, and pilling.
- Moc-toe stitching machine: Specialized equipment for work shoes and casual shoes, used for sewing decorative thick stitches to create a moc-toe style. Features a rugged and wear-resistant style, suitable for outdoor shoes and work boots.
- Goodyear welting machine: Specialized equipment for high-end leather shoes, used for the welting stitching process. It is a core piece of equipment for handmade high-end leather shoes, offering waterproof, wear-resistant, and structurally stable features.
- Insole stitching machine, outsole stitching machine: Leather shoe sole stitching equipment, used for mechanically stitching the sole to the upper, replacing pure adhesive bonding and enhancing the durability of the shoe body.
- Automatic zipper setting machine, snap setting machine: Auxiliary material assembly automation equipment, automatically completes the installation of shoe upper zippers, snaps, and eyelets with high efficiency and precise positioning.
- Automatic shoelace threading machine, eyelet machine: Finished product auxiliary processing equipment, used for batch processing of shoelace threading and stamping/fixing of metal/plastic eyelets.
- Bottom thread winding machine, waxed thread machine: Sewing machine supporting equipment, automatically winds bottom thread and waxes shoe thread to prevent thread breakage and skipped stitches during sewing.
II. Specialized Hand Tools
Specialized sewing needles for footwear, polyester/nylon wear-resistant shoe thread, thread splitters, seam rippers, precision tweezers, small hammers, positioning and fixing clamps, multi-functional sewing machine presser feet, measuring wheels, anti-slip tape, alignment stickers.
Section 5: Shoe Sole Preparation and Processing Steps
Process Definition: Foaming, molding, grinding, trimming, and pre-treatment of EVA, rubber, TPR, PU, TPU, and other shoe sole raw materials to process them into standard midsole and outsole components, preparing for the molding and bonding process.
I. Core Mechanical Equipment
- EVA Slicing Machine, Rough Grinding Machine: Specialized equipment for EVA midsoles, which slices and shapes EVA raw materials and performs rough grinding on the surface to enhance glue adhesion.
- Rubber Internal Mixer, Hydraulic Compression Molding Machine: Rubber outsole production equipment that completes rubber internal mixing and vulcanization compression molding to form wear-resistant and non-slip rubber outsoles.
- TPR/TPE Injection Molding Machine: Thermoplastic shoe sole molding equipment that injects and molds TPR soles in one go, suitable for mass production of casual shoes and children's shoes.
- PU Casting Molding Machine: Specialized equipment for PU soles that casts and molds PU foamed midsoles and integrated outsoles, offering a lightweight feel and excellent rebound.
- MD/PHYLON Foaming Machine: Core equipment for sports shoe midsoles, producing high-resilience foamed MD midsoles, which is the mainstream midsole equipment for running shoes and casual shoes.
- Fully Automatic Shoe Sole Roughening Machine, Belt Grinding Machine: Shoe sole activation equipment that grinds the bonding surface of the sole, removes the smooth outer layer, and enhances adhesive strength.
- Shoe Sole Preheating Oven, Hot Air Activator
II. Detailed Explanation of Single Machine Functions
- Vamp Lasting Machine: Core equipment for toe shaping, which automatically tightens and adheres the vamp and heel counter to the toe, ensuring precise shaping with a full toe and no wrinkles.
- Quarter Lasting Machine: Shoe waist shaping equipment that tightens the shoe upper at the waist and adheres it to the midsole, ensuring smooth shoe body lines and a snug fit.
- Heel Seat Lasting Machine: Heel shaping equipment that pulls the heel upper tight and adheres it to the heel counter, fixing the heel shape and preventing deformation or collapse.
- Universal Hydraulic Bottoming Machine: Core equipment for bonding and curing, which applies pressure to the upper and sole from all directions, ensuring tight adhesion of the adhesive, no air pockets, and no delamination.
- Freezing Lasting Machine: Low-temperature shaping equipment that rapidly cures the adhesive and locks the shoe shape through low temperatures, preventing finished products from rebounding, deforming, or losing their shape.
- Automatic Last Pulling Machine: Finished product de-lasting equipment that automatically removes the shoe last, avoiding deformation caused by manual pulling and protecting the finished product's shape.
III. Specialized Hand Tools
Industrial aluminum/plastic shoe lasts, shoe last fitting pliers, shoe horns, shaping rubber mallets, silicone pressure rollers, special glue brushes, dust-free wipes, positioning rulers, vamp tightening clips, glue removal scrapers.
Section 7: Post-Finishing Process
Process Definition: For shaped finished shoes, perform glue removal, edge trimming, color rubbing, polishing, defect repair, wrinkle removal, and cleaning. Correct production flaws, optimize appearance and texture, and complete fine finishing of the finished product. Pre-treatment heating equipment to heat and activate the sole, enhancing the effect of treatment agents and adhesives.
- Sole Edge Trimming and Grooving Machine: Sole shaping equipment to remove excess burrs from the sole and create grooves for shaping, optimizing the sole's profile and fitting structure.
- Automatic Sole Sprayer, Polisher: Sole appearance treatment equipment for spraying matte, glossy, colored paint, and protective coatings on the sole.
II. Special Hand Tools
Sole precision calipers, multi-specification sanding belts/grinding wheels, steel wire grinding wheels, industrial cleaning brushes, sole positioning jigs, trimming knives.
Section 6: Molding and Bonding Shaping Process (Core Production Line)
Process Definition: The most core process in shoemaking, involving fitting the vamp, shoe last, midsole, and outsole through last fitting, spraying adhesive, activation, pressing, shaping, freezing, and last removal to complete the overall assembly and shaping of the shoe body. This directly determines the shoe's profile, comfort, and durability, and is a key step in the cold cementing process.
I. Complete Set of Core Assembly Line Equipment
Vamp steam softener → Vamp preheating oven → Automatic roughening machine → Automatic treatment agent spraying machine → Automatic glue spraying machine → Hot air drying production line → Glue activation drying oven → Cooling and setting table → Universal hydraulic sole pressing machine → Vamp lasting machine → Quarter lasting machine → Heel lasting machine → Heel setting machine → Low-temperature freezing setting machine → Automatic last pulling machine → Last recovery production line
I. Core Mechanical Equipment
- Automatic Shoe Upper Polishing and Waxing Machine: Specialized equipment for leather uppers, polishes and brightens, waxes and maintains, enhancing the texture and luster of leather shoes.
- Shoe Upper Color Wiping Machine, Color Changing Machine: Color difference correction equipment, unifies shoe upper color, corrects minor color differences, and replenishes color for brightening.
- Automatic Glue Removal and Cleaning Machine: Residual glue cleaning equipment, removes excess residual glue and glue stains from shoe uppers and soles, with no residue and no damage to upper materials.
- Shoe Upper Steam Wrinkle Removal Machine: Flattening and repair equipment, uses high-temperature steam to smooth wrinkles on shoe uppers and flatten pattern defects.
- Outsole Trimming and Polishing Machine: Fine processing equipment for outsoles, trims rough edges of outsoles and polishes outsole edges, improving the neatness of finished products.
- Toe/Heel Specific Glue Filling Machine: Flaw repair equipment, fills and adheres gaps and small notches, repairing molding defects.
- UV Curing Machine, Deodorizing and Drying Box: Environmental curing equipment, cures surface coatings and eliminates glue odors, enhancing the environmental friendliness of finished products.
- Industrial Finished Product Shoe Washing Machine: Finished product cleaning equipment, cleans dust and stains from shoe uppers in batches, unifying the cleanliness of finished products.
II. Specialized Hand Tools
Coloring brush, polishing cotton cloth, glue removal scraper, dust-free cloth, painter's tape, fine sandpaper, polishing and maintenance wax, leather color repair pen, repair paste scraper.
Section 8: Finished Product Inspection and Packaging Process
Process Definition: Conduct performance testing, appearance quality inspection, and size verification of finished shoes. After grading, perform standardized packaging, which is the final finishing process in shoe production.
I. Core Testing/Packaging Equipment
- Finished Product Compression Tester: Structural performance testing equipment to test the compressive strength of the shoe body and detect risks of degumming and deformation.
- Sole Flex Tester: Wear resistance testing equipment that simulates daily flexing to test the durability of the sole against cracking and degumming.
- Abrasion Tester: Sole wear resistance testing equipment that quantifies the sole's wear resistance performance, meeting industry quality inspection standards.
- Color Difference Meter, Size Jigs: Appearance and size testing equipment for precise detection of vamp color differences and shoe body size deviations.
- Needle Detector: Safety testing equipment to screen for residual broken needles and metal impurities in the vamp and lining, ensuring product safety.
- Automatic Box Folder, Shoe Box Sealer: Automated packaging equipment for rapid folding, sealing, and packing of shoe boxes.
- Automatic Labeling Machine, Heat Shrink Wrapper: Labeling and packaging equipment for barcode labeling and heat shrink sealing.
II. Special Hand Tools/Auxiliary Tools
Precision tape measure, electronic weighing scale, quality inspection benchmark card, anti-counterfeiting label, desiccant, anti-mildew sheet, paper/plastic shoe tree, packaging tissue paper, packing tape.
Chapter 2 Encyclopedia Classification of Shoe Raw and Auxiliary Materials
This chapter is classified by the hierarchical structure of footwear: upper main materials, lining materials, reinforcing and shaping materials, midsole materials, outsole materials, hardware accessories, and packaging auxiliary materials. All materials are labeled with attributes, applicable scenarios, and process characteristics, serving as a basis for standardized material selection in footwear production.
Section 1 Upper Main Materials (Main Fabric of the Shoe Body)
1. Natural Leather (Specialized for High-End Footwear)
Top-grain full-grain cowhide, top-grain tumbled cowhide, oil wax cowhide, second-layer cowhide, sheepskin, pigskin, deerskin, suede, nubuck, water-dyed leather; possesses characteristics of breathability, flexibility, premium texture, and good fit, suitable for high-end leather shoes, casual shoes, and work boots.
2. Synthetic Leather (Mainstream Mass Production Fabric)
Microfiber leather, PU synthetic leather, PVC leather, recycled leather, faux suede, space leather, elastic leather, wear-resistant imitation leather; high cost-effectiveness, rich variety of colors, waterproof and easy to care for, suitable for mass casual shoes, sports shoes, and children's shoes.
3. Textile Fabrics (Core for Sports and Casual Shoes)
Polyester breathable mesh fabric, flyknit knitted shoe upper, thickened canvas, denim, Oxford cloth, nylon stretch fabric, Lycra stretch fabric, gabardine, corduroy; lightweight and breathable, excellent elasticity, strong wear resistance, suitable for running shoes, sports shoes, and trendy casual shoes.
4. Special Functional Upper Materials
TPU waterproof film, hot melt reinforcing film, 3D printed uppers, rubber protective patches, reflective warning fabric, waterproof and breathable composite film; with functions such as waterproofing, reflection, impact resistance, and stable shaping, suitable for functional shoes, outdoor shoes, and work shoes.
Section 2: Inner Linings (Materials in direct contact with the foot)
Porous pigskin lining, soft sheepskin lining, pure cotton lining, elastic knit lining, velvet lining, non-woven breathable lining, mesh breathable lining, Poron composite lining, foam cushioning lining; their core functions are to enhance wearing comfort, absorb sweat and breathe, cushion and absorb shock, and protect the upper structure.
Section 3: Reinforcing and Shaping Materials (Core of Shoe Shape Stability)
1. Thermoplastic Toe Puff and Heel Counter Materials
High-temperature hot-melt toe puffs, low-temperature hot-melt toe puffs, chemical toe puffs, spunlace toe puffs; used for shaping the toe and heel, preventing the shoe body from collapsing, deforming, or wrinkling, and are the core materials for maintaining the shoe's shape.
2. Interlining and Filling Materials
Non-woven stiff interlining, shaping and reinforcing fabric, hot-melt reinforcing film, high-elastic sponge, latex filling cotton, memory foam, high-density foam; used for local reinforcement of the upper, tongue filling, and heel cushioning, enhancing the structural strength and comfort of the shoe body.
Section 4: Midsole Materials (Cushioning and Support Layer)
EVA foam sheet, high-elastic modified EVA, MD/PHYLON foam midsole, PU foam midsole, Hyper-light cushioning midsole, latex breathable insole, hard cardboard midsole, fiber compression-resistant midsole board, carbon fiber anti-torsion sheet, TPU stabilizing anti-torsion sheet, air cushion cushioning component; responsible for the shoe's cushioning, rebound, anti-torsion, and shock absorption functions, determining foot feel and support.
Section V: Outsole Materials (Ground Contact Wear Layer)
1. Rubber Outsole Series
Natural rubber sole, Styrene-butadiene rubber (SBR) sole, Polybutadiene rubber (BR) wear-resistant sole, anti-slip modified rubber sole, raw rubber soft sole; wear-resistant, anti-slip, strong toughness, excellent grip, suitable for outdoor shoes, work shoes, leather shoes.
2. Rubber-Plastic Foam Outsole Series
TPR/TPE thermoplastic elastomer sole, PU lightweight foam outsole, PVC wear-resistant plastic sole, MD two-color foam outsole; lightweight and soft, good moldability, high cost-effectiveness, suitable for sports shoes, casual shoes, children's shoes.
3. Heel Specialized Materials
Painted hard heel, electroplated metal heel, acrylic transparent heel, plastic heel cover, solid wood heel, rubber anti-slip heel, layered fabric heel, suitable for women's shoes, dress leather shoes, casual shoes.
Section VI: Hardware and Functional Accessories
Polyester/cotton shoelaces, metal/plastic eyelets, metal shoe buckles, Velcro (hook & loop fastener), shoe zippers, four-button snaps, decorative rivets, rhinestone accessories, woven labels, genuine leather labels, hang tags, elastic bands, binding tapes, non-woven double-sided tape, masking tape, sponge double-sided tape.
Section 7 Packaging Auxiliary Materials
Custom shoe boxes, moisture-proof tissue paper, shaping shoe trees, silicone desiccants, anti-mold and antibacterial tablets, PE dustproof packaging bags, waterproof adhesive labels, packing tape, and shrink wrap.
Chapter 3 Encyclopedia of Footwear Chemical Materials (All Categories)
Footwear chemicals are the core consumables for shoe bonding, shaping, finishing, and protection, directly determining the shoe's bonding strength, appearance texture, yellowing resistance, and waterproof performance. This chapter is divided into six major categories based on function: adhesives, surface treatment agents, solvent thinners, shoe upper finishing chemicals, rubber and plastic auxiliaries, and workshop auxiliary chemicals.
Section 1 Footwear Special Adhesives (Core of Bonding)
1. Solvent-based oil adhesives (mainstream for traditional mass production)
Neoprene yellow glue, shoe white glue, PU universal glue, rubber special glue, EVA special glue, TPR special glue, hard leather special glue, shoe upper bonding glue, matching curing agents (hardeners); strong adhesion, wide material compatibility, aging resistance, the core glue for cold bonding processes.
2. Environmentally friendly water-based adhesives (for high-end export)
Water-based PU glue, water-based neoprene glue, water-based vulcanizing glue, environmentally friendly water-based curing agents, water-based primers and reinforcing agents; low odor, environmentally friendly, no harmful volatile substances, meets export quality inspection standards, suitable for high-end brand shoes and export shoe production.
3. Special function adhesives
Hot melt granules, hot melt film, hot melt adhesive for heel counters, sponge spray adhesive, positioning stickers, 502 instant repair glue, sole edge adhesive, rubber vulcanizing paste; suitable for bonding special materials, repairing defects, shaping and reinforcing, and special process production.
Section 2: Surface Treatment Agents for Materials (Core of Adhesion)
Essential auxiliaries for all material bonding, used to activate the material surface and enhance adhesive strength, preventing delamination and separation. Includes: rubber treatment agent, EVA treatment agent, TPR/TPE treatment agent, PU treatment agent, PVC treatment agent, microfiber activation water, genuine leather treatment water, nylon fabric treatment agent, mesh fabric activator, UV primer adhesion promoter, degreasing cleaner for oil stains, and residual glue remover.
Section 3: Industrial Solvents and Thinners
Used for glue dilution, equipment cleaning, and process glue adjustment, suitable for standardized operations in shoe workshops. Includes: ethyl acetate (ethyl ester), butyl acetate (butyl ester), acetone, environmentally friendly slow-drying water, fast-drying glue adjusting water, spray gun cleaning water, white spirit, isopropyl alcohol (environmentally friendly low-odor solvent), and defoaming solvent.
Section 4: Upper Finishing and Maintenance Chemicals
Used for finished shoe appearance repair, color enhancement, protection, and anti-aging, improving the finished product's quality and lifespan. Includes: leather color rubbing paste, upper recoloring dye water, color fixing agent, high gloss/matte shoe polish, filling and polishing wax, leather repair paste, waterproof and stain-resistant agent, anti-yellowing agent, anti-mildew and antibacterial agent, anti-static agent, rubber frost remover, upper brightening water, and matte finishing agent.
Section 5: Specialized Chemical Auxiliaries for Rubber and Plastic Soles
Used for modification, molding, and protection of rubber, EVA, TPU, and PU shoe soles. Includes: rubber vulcanizing agents, vulcanization accelerators, rubber anti-aging agents, carbon black reinforcing agents, calcium carbonate fillers, rubber and plastic foaming agents, colored masterbatches, mold release agents, yellowing-resistant modification additives, and anti-aging additives.
Section 6: Workshop Auxiliary Supporting Chemicals
Auxiliary chemical materials serving workshop production, equipment maintenance, and environmental control. Includes: workshop deodorizers and disinfectants, mold cleaning solutions, mold rust-proofing and maintenance oil, tool sharpening oil, glue defoamers, glue anti-settling additives, and equipment lubrication and maintenance agents.
Chapter 4: Shoemaking Process System and Material Adaptation Rules
Section 1: Classification of Mainstream Shoemaking Processes
1. Cold bonding process: Used in over 90% of shoes on the market. Assembled with adhesives, it offers high efficiency, controllable costs, and diverse styles. Suitable for sports shoes, casual shoes, and general leather shoes.
2. Goodyear welting process: A high-end handmade leather shoe process involving welting stitching + double-layer bonding. It is waterproof, wear-resistant, and repairable. Positioned for high-end dress shoes.
3. Injection molding process: The sole is formed by integrated injection molding, with a seamless fit between the upper and the sole. Suitable for children's shoes, safety shoes, and affordable casual shoes.
4. Vulcanization process: A specialized process for rubber shoes, formed by high-temperature vulcanization. It is waterproof and wear-resistant. Suitable for canvas shoes and rubber work shoes.
Section 2: Core Principles of Material Adaptation
1. Materials and processing agents must correspond one-to-one. Different rubber and plastic materials must use exclusive processing agents, otherwise, degumming and poor adhesion will occur;
2. Automated equipment is adapted for standardized mass production materials, while manual tools are adapted for small batch, customized, and refined finishing processes;
3. Environmentally friendly chemical materials are only suitable for export and high-end brand orders, while ordinary solvent-based materials are suitable for domestic conventional mass production;
4. Reinforcing and shaping materials are selected based on the shoe's positioning. High-end shoes use high-toughness heel counters and multi-layer reinforcement, while mass-market shoes use conventional shaping materials.
Contact
Leave your information and we will contact you.
Follow us
Phone
WhatsApp
Wechat