TPU Waterproof / Breathable Film Compounds | Monolithic & Microporous
TPU Waterproof / Breathable Film Compounds – WB Series
WB Series TPU granules for waterproof/breathable films used in outdoor apparel laminates, footwear liners, and technical textiles. Monolithic (non-porous) and microporous options deliver durable waterproofness and moisture vapor transmission (MVT) with soft handfeel.
WaterproofBreathable (MVT)
Soft HandfeelMonolithic / Microporous
Shore 70A–90A
Soft HandfeelMonolithic / Microporous
Shore 70A–90A
Where This TPU Is Used
- Outdoor garment laminates（2L / 2.5L / 3L shells）
- Footwear waterproof liners and booty constructions
- Technical textiles for backpacks, tents, and rain covers
Typical Grades
| Grade | Hardness | Type | Key Performance | Processing | Typical Use |
|---|---|---|---|---|---|
| TPU-WB 75A ML | 75A | Monolithic | High waterproofness, good MVT, soft drape | Extrusion / Casting | 2.5L / 3L garment membranes |
| TPU-WB 85A ML | 85A | Monolithic | Better hydrolysis/UV stability, abrasion resistance | Extrusion / Casting | Technical textile laminates |
| TPU-WB 80A MP | 80A | Microporous | Higher MVT potential, matte finish | Extrusion (filled & stretching) | Breathable garment / footwear liners |
Note: Formulations can be tuned for hydrolysis/UV resistance, MVT targets, coefficient of friction, and lamination temperature windows.
Key Advantages
- Durable waterproofness with moisture vapor transmission
- Soft, quiet handfeel for premium apparel and footwear
- Good hydrolysis/UV stability for outdoor use
- Compatible with hot-melt adhesive films for laminations
Processing & Recommendations
- Monolithic: drying 80 °C × 2–3 h；melt 180–205 °C；casting or flat die extrusion
- Microporous: filled extrusion + stretching to open pores；control filler content & draw ratio
- Lamination via hot-melt adhesive film（see Adhesive Film page）
Application Gallery
Target Markets
- Outdoor garment laminate converters（2L/2.5L/3L）
- Footwear liner and booty manufacturers
- Technical textile laminate producers（bags, tents, rain covers）
- Main regions: Vietnam, Indonesia, India, Bangladesh, Turkey, EU outdoor aftermarket
Request Samples / TDS
Need specific MVT / hydrostatic head targets or lamination temperature windows? We provide tailored WB Series granules and technical data sheets for your extrusion/casting line.
Explore related pages:
TPU Film & Sheet Overview |
TPU Protective Film |
TPU Hot-Melt Adhesive Film |
TPU Decorative/Printing Film
