TPU/PU Waterproof
Dispensing Films
Double-sided hot melt dot coated TPU and PU waterproof dispensing films. Integrate waterproof performance, air permeability, and elasticity. Ideal for waterproof socks, gloves, hats, apparel and outdoor supplies.
TPU/PU Waterproof
Dispensing Films Core Product Differentiation
TPU/PU Waterproof Dispensing Film is a high-performance functional membrane coated with double-sided hot melt adhesive dots, enabling precise and breathable lamination bonding. Professionally developed for demanding applications where ordinary films fail.
Ordinary Laminated Film
Fully sealed surface blocks ventilation with stiff hand feel, resulting in poor user comfort during active wear.
Back Coated Film
Prone to glue overflow during processing and offers insufficient elasticity, which severely limits fabric movement.
TPU/PU Dot Dispensing Film
- ✓ Integrate waterproof performance, air permeability and elasticity in one product
- ✓ No glue overflow phenomenon
- ✓ Soft and comfortable texture
- ✓ Preserve original stretchability of fabrics
- ✓ Perfect match for waterproof garments, socks and gloves
TPU/PU Waterproof
Dispensing Films Product Structure & Features
Engineered with precision for maximum performance and reliability.
Structure Composition
Base Film
High elastic waterproof TPU or PU membrane
Coating Layer
Even hot melt adhesive dots on double sides
Release Layer
Customizable release film or release paper
Core Advantages
Full waterproof performance
Hydrostatic pressure resistance up to 10,000 mmH₂O
High air permeability
Moisture vapor transmission up to 10,000 g/m²/24h
Double-sided dot coating
Ensures firm and stable adhesion to fabrics
Excellent elasticity
Maintains a soft touching feeling after lamination
Durable structure
Engineered to support repeated washing
Solvent-free formula
Fully compliant with RoHS and REACH standards
Low shrinkage rate
Guarantees no deformation after processing
Custom die-cut shapes
Available for gloves, socks, hats and patches
Technical Parameters & Industry Testing Standards
Strictly tested against global industry standards to ensure maximum reliability in demanding environments.
Basic Specifications
| Material | Polyether/Polyester TPU / PU |
| Thickness | 0.012 mm – 0.15 mm |
| Width | 5 mm – 1600 mm |
| Dot Diameter | 0.3 mm – 1.2 mm |
| Dot Density | Customized design |
| Hot Melt Adhesive | Polyurethane hot melt glue |
| Release Liner | Glassine release paper / PET release film |
Waterproof & Breathable Performance
| Item | Index | Testing Standard |
|---|---|---|
| Hydrostatic Pressure Resistance | 3,000 – 10,000 mmH₂O | ISO 811, ASTM D751 |
| Moisture Vapor Transmission Rate | 3,000 – 10,000 g/m²/24h | ISO 11092, ASTM E96 |
Peel Strength (ASTM D1876)
| Film Type | Peel Strength (N/25mm) |
|---|---|
| TPU Dispensing Film | 15 – 22 N/25mm |
| PU Dispensing Film | 12 – 18 N/25mm |
Washing Resistance (AATCC 61, ISO 6330)
| Material Type | Maximum Washing Cycles at 40℃ |
|---|---|
| TPU | 20 – 50 cycles |
| PU | 15 – 30 cycles |
Thermal Shrinkage Rate (ISO 14419, 120℃ × 30min)
| Material Type | Shrinkage Rate |
|---|---|
| TPU | ≤ 0.5 – 1.0% |
| PU | ≤ 0.8 – 1.5% |
Solvent Resistance (GB/T 1690)
| Chemical Medium | Resistance Level |
|---|---|
| Water, Sweat, Detergent Liquid | Excellent |
| Weak Acid & Weak Alkali Solution | Good |
| Ethanol Solution | Good |
| Oil & Gasoline | Moderate |
| Acetone, Toluene, Ester Solvent | Poor |
Melt Viscosity (ASTM D3236)
| Viscosity range at 180℃ | 12,000 – 25,000 mPa·s |
| Performance Features | Stable dot forming effect, no wire drawing and glue splashing |
Operating Temperature Range
| Working Stage | Temperature |
|---|---|
| Activation Temperature | 110 – 140℃ |
| Lamination Temperature | 120 – 150℃ |
| Service Temperature | -40℃ – 110℃ |
TPU VS PU Dispensing Film
Choose the right material basis for your specific application requirements and budget.
| Comparison Item | TPU Dispensing Film | PU Dispensing Film |
|---|---|---|
| Elasticity | Ultra High | High |
| Softness | Extra Soft | Soft |
| Waterproof | Excellent | Very Good |
| Air Permeability | High | Moderate |
| Washing Resistance | Excellent | Very Good |
| Low Temp Flexibility | Excellent (-40℃) | Good (-20℃) |
| Production Cost | Medium | Medium-Low |
| Optimal Application | Socks, gloves, sportswear, outdoor products | Garment lining, hats, lightweight equipment |
Explore Our Complete Adhesive Film Portfolio
Engineered for precision and reliability. Discover our full range of high-performance hot melt solutions, designed to meet the rigorous demands of 15+ global industries.
TPU Hot Melt Adhesive Film
Exceptional elasticity and resilience. Ideal for textiles, footwear, and applications requiring high flexibility and washability.
TPE Hot Melt Adhesive Film
Outstanding soft-touch feel and eco-friendly properties. Perfect for acoustic materials, automotive interiors, and premium apparel.
PA Hot Melt Adhesive Film
Superior dry-cleaning resistance and strong bonding strength. Widely utilized in high-end garments and electronic component assembly.
PES Hot Melt Adhesive Film
Excellent washing resistance and strong adhesion to metals and plastics. The go-to choice for water-treatment filters and automotive parts.
EVA Hot Melt Adhesive Film
Low melting point and versatile bonding capabilities. A cost-effective solution for packaging, wall coverings, and general crafts.
PO/EAA Hot Melt Adhesive Film
Specialized for metal adhesion with robust chemical resistance. Highly recommended for aluminum honeycomb panels and industrial shielding.
Require a Custom Formulation?
With over 10,000+ specifications and factory-direct R&D capabilities, we engineer precise adhesive solutions tailored to your unique manufacturing processes.
Extensive Application Fields
Our dispensing films provide structural integrity and breathable waterproofing across multiple demanding industries.
Precision OEM & Custom Processing
Leverage our factory-direct capabilities. From specialized laminating to advanced coating technologies, we deliver high-performance adhesive solutions engineered for your specific manufacturing needs.
Laminating & Back Coating Services
Professional bonding of hot-melt adhesive films to various substrates including textiles, foams, and metals. Our process ensures uniform adhesion, maintains breathability where required, and guarantees long-lasting durability for complex industrial applications.
Explore Laminating
Dispensing & Coating Services
Precision application of adhesives tailored for specialized manufacturing. We offer customized coating weights, precise widths, and specific patterns to optimize bonding performance while reducing material waste in your automated production lines.
Explore CoatingComprehensive Customization Capabilities
Beyond standard processing, our R&D-driven approach allows us to tailor every aspect of the adhesive solution to your specific operational requirements.
Custom Formulations
Adjusting melt index, viscosity, and open time to perfectly match unique substrate bonding requirements and environmental conditions.
Slitting & Die-Cutting
Delivering materials in precise widths, lengths, or custom geometric shapes for seamless and immediate integration into your assembly lines.
R&D & Prototyping
Collaborative testing of new materials in our advanced laboratory to ensure optimal peeling strength, washability, and environmental resistance.
In-depth Material Selection Guide
Selection Decision Flow
1. Need elasticity >300% & working below -30℃?
2. Prioritize moderate elasticity and cost control?
3. Require industrial washing over 50 cycles?
| Performance Index | Polyether TPU | Polyester TPU | PU Material |
|---|---|---|---|
| Hydrolysis Resistance | ★★★★★ | ★★★☆☆ | ★★★☆☆ |
| Mildew Resistance | ★★★★★ | ★★☆☆☆ | ★★★☆☆ |
| Low Temp Elasticity | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Tensile Strength | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| Manufacturing Cost | High | Medium | Low |
Dispensing Specification Recommendation
Waterproof Socks
- Dot Dia: 0.5~0.8mm
- Spacing: 2~3mm
- Density: Medium
Balance ventilation and bonding strength
Seamless Sportswear
- Dot Dia: 0.3~0.6mm
- Spacing: 1.5~2mm
- Density: High
Meet high peel strength demand
Medical Dressing
- Dot Dia: 0.3~0.5mm
- Spacing: 1~1.5mm
- Density: Ultra High
Safe skin contact and precise bonding
Long-term Reliability Data
Hydrolysis Aging Test (70℃ / 95% RH)
Sample: 0.025mm polyether TPU dispensing film
| Hours | Strength Retention | Hydrostatic (mmH₂O) |
|---|---|---|
| 0 | 100% | 10,000 |
| 500 | 90% | 9,500 |
| 1000 | 79% | 8,900 |
Dynamic Bending Fatigue Test
Method: 90° repeated bending at 1Hz frequency
| Cycles | Strength Retention | Surface Status |
|---|---|---|
| 10,000 | 98% | No visible change |
| 30,000 | 94% | Light bending marks |
| 50,000 | 89% | No crack/delamination |
Proven Industrial Solutions
Seamless Inner Lamination for Pro Running Socks
Challenge: European brand needed a membrane keeping feet dry with hydrostatic pressure ≥8,000 mmH₂O and 30 washing cycles, without foreign body sensation.
Breathable Inner Layer for Ski Gloves
Challenge: Demanded soft texture, -30℃ low temperature resistance, and no delamination after 10,000 finger bending tests.
Waterproof Pad Bonding for Seamless Sports Bra
Challenge: Prevent sweat/seawater penetration while keeping ventilation. No delamination after 7-day seawater immersion.
Low-allergy Breathable Medical Dressing
Challenge: Requires negative result in ISO 10993-10 skin irritation test, vapor permeability ≥2,500 g/m²/24h for 7-day continuous wear.
Frequently Asked Questions
What is waterproof dispensing film?
What are the differences between TPU and PU material?
Is the film washable?
Can customized die-cut shapes be made?
Request a Quotation & Samples
Submit your material selection, required thickness, and practical application scenario. Our engineers will provide technical data sheets and free A4 samples within 24 hours.
Email Us
vomeltsales@163.com
Call Us
+86 17712662793
Factory Address
No. 36 Zhonglu Development Zone,
Pingwang Town, Wujiang District,
Suzhou City, Jiangsu Province