TPU Hot-Melt Adhesive Film for Footwear Material Laminating | Hydrolysis-Resistant & High Elasticity | Preferred Choice – GREEN TPU
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- Product Name: TPU Hot Melt Adhesive Film
- Substrate Type: Polyester Type (TPU-PE)
- Substrate Type: Polyester-based (TPU-ET)
- Adhesive film with substrate: Protected by release paper/release film
- Substrate-free adhesive film: Direct winding, no protective film
- Thickness: 0.03-2.0mm
- wide width: 152 cm, customizable to any width as required
- Color: True Colors
- Temperature range: -40°C ~ 120°C
- Environmental Certification: RoHS, REACH, Halogen, Heavy Metals
Product Application
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TPU hot melt adhesive film has become fully integrated into every aspect of modern footwear manufacturing due to its exceptional bonding properties, outstanding elasticity, eco-friendly characteristics, and efficient processing methods. It serves not only as a key technical material for enhancing shoe quality, durability, and comfort, but also as a vital force driving the footwear industry's transformation toward automation, sustainability, and high performance. For footwear brands pursuing premium quality and sustainable production, TPU hot melt adhesive film is an indispensable choice.
Comparative Advantages of TPU Hot-Melt Adhesive Film Over Traditional Adhesives
Attribute:
- Environmental friendliness
- Production Efficiency
- Safety
- Bonding Quality
- Appearance
- Cost
TPU Hot Melt Adhesive Film:
- Excellent, solvent-free, eco-friendly.
- High, enabling automated rapid bonding without drying time.
- High, non-toxic and odorless, posing no health hazards to operators.
- Stable, uniform adhesive layer, excellent elasticity, fatigue-resistant
- Aesthetically pleasing, with a transparent adhesive layer and no visible seams for a cleaner look.
- Material costs are slightly higher, but overall labor, efficiency, and environmental costs are lower.
Traditional solvent-based adhesives:
- Poor quality, contains volatile organic solvents, pollutes the environment.
- Low, requires brushing and drying (extending the production line), time-consuming.
- Poor quality, flammable and explosive, poses health risks.
- Unstable, highly susceptible to manual operation and environmental factors, prone to brittleness.
- Generally, adhesive residue may be present, affecting the appearance.
- Low material costs, but high overall costs.
TPU hot melt adhesive film plays a crucial role in multiple stages of shoe manufacturing:
1. Upper Lining (Composite)
Application: Laminating different material layers of the shoe upper together, for example:
Leather and Mesh Composite
Patchwork of different colored fabrics
Apply reinforcement to the inner side of the material to enhance support in specific areas (such as the heel and toe box).
Advantages:
Replaces traditional stitching with seamless assembly for a cleaner, more modern aesthetic; simultaneously reduces weight and improves fit.
2. Upper-to-sole bonding (welting)
Application:
This is one of the most critical applications, used to bond the upper to the midsole or outsole (typically made of rubber, EVA, PU, or similar materials).
Advantages:
Exceptionally high bonding strength, capable of withstanding prolonged bending and impact, significantly reducing the risk of adhesive failure. Its elasticity ensures the bonded interface remains intact even under repeated sole flexing.
3. Manufacturing of Seamless Waterproof Shoes
Application:
When manufacturing waterproof shoes, a waterproof membrane with a TPU hot-melt adhesive film is used as the lining. Through heat pressing, the adhesive film bonds the waterproof membrane to the upper fabric while simultaneously forming a seal at the seams, achieving waterproof performance.
The typical processing flow for TPU hot melt adhesive films is as follows:
- Material Preparation: Cut the TPU hot melt adhesive film into the desired shape and size.
- Positioning: Place the adhesive film between the two materials to be bonded.
- Heating: Use equipment such as hot presses, high-frequency machines, or infrared heaters to heat the material, causing the TPU adhesive film to melt.
- Pressurization: While in a molten state, apply a specific amount of pressure rapidly (hot pressing) to ensure the adhesive uniformly permeates the pores of the bonded materials.
- Cooling and Setting: Maintain pressure until it has fully cooled and cured, forming a strong bond.
Important Note: Different models of TPU hot melt adhesive films have specific melting points, activation temperatures, and pressure requirements. Precise process parameter settings based on material type and equipment conditions are essential to achieve optimal bonding results.
TPU hot melt adhesive film for footwear materials
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Why choose us？
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| Raw material warehouse stocked with 300 tons of raw materials | Advanced high-efficiency TPU film production equipment | |
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| Directly supplied by the manufacturer, fully automated production line, annual output of 6,000 tons | Our TPU film quality production management system has been certified by ISO9001, ROHS, SGS, etc |
FAQ
| Q: Are you a trading company or a manufacturer? |
| A: We are an integrated industry and trade company specializing in the manufacture and export of TPU film materials for over 15 years. |
| Q: Can we customize performance, size, and color? |
| A: We accept customization of various specifications. |
| Q: Do you provide sample services? |
| A: We can now provide a certain quantity of samples free of charge for projects we have completed. You only need to cover the shipping costs. |
