Widely Used Best-selling Lamination of Membrane and Functional
Textiles Hot Melt Adhesives PUR-4320
Wanli® PUR hot melt adhesive PUR-4320 for textile lamination
bonding is a single-component reactive PUR hot melt adhesive with
100% solid content. PUR-4320 can be used for lamination of various
non-woven fabrics, nylon and other substrates, and has high initial
strength. PUR-4320 is featured stable viscosity under heating at a
certain temperature, high initial bonding strength and final
bonding strength. After curing, PUR-4320 has good peeling strength,
good heat&humidity resistance and chemical resistance.
APPLICATION
Wanli® PUR hot melt adhesive PUR-4320 is used for textile
lamination bonding. PUR-4320 can be used for lamination of various
non-woven fabrics, nylon and other substrates, and has high initial
strength.
| Application Material | Fabric to Film Lamination Bonding |
| Appearance | White to Yellowish Solid |
| Component | PUR (Polyurethane) |
| Application Industry | Textile Lamination |
| Solid Content | 100% |
| Operating Temperature | 120～140 ℃ |
| Melt Viscosity | About 9000mPa·s@140℃(Brookfield-ASTMD3236) |
| Open Time | About 2min |
| Usage Scope | Fabric to Film Bonding |
| Shelf Life | 6 Months |
| Package | 2Kg/Bag, 20Kg/Barrel, 200Kg/Barrel |
FEATURE
Stable viscosity under heating at a certain temperature.
High initial bonding strength and final bonding strength.
After curing, PUR-4320 has good peeling strength, good
heat&humidity resistance and chemical resistance.
USER GUIDE
The package of PUR-4320 is suitable for various dispensing
equipment.
The recommended operating temperature is 120℃~140℃.
In order to achieve complete curing, it is better to place finished
product in a working environment with suitable temperature and
humidity (recommended temperature: 23~25℃, about 65% relative
humidity).
STORAGE
Store PUR-4320 where it’s dry, cool and avoid direct sunlight. The
storage temperature should be no more than 35℃ and avoid open fire
or heat source.
