hot melt pu adhesive for fabric lamination

الوصف

Product Description:
WD8520A is solvent free one component moisture curing polyurethane adhesive. It is suitable for the lamination of fabric and TPU、PU、PE、PTFE film.
Suitable for:            Any type of PUR laminating machine  
Coating weight:         5.0 g / m² ~ 8.0g / m² (depending on the thickness of laminating material and application)
Operating temperature:   
Meterage unit :85~100℃                              Coating roller :85~90℃                             
 
Cure time:              24 to 48 hours (at 35 ℃ ~ 50 ℃, RH >30%).
WD8520A is characterized by a very high reactivity, the curing process is normally completed 5~10 days after lamination.
 
Cleaning solvent:        Ethyl Acetate etc.
Technical properties:
 
Physical Character
WD8520A            
 basic material                          isocyanate prepolymer       
appearance                 colorless to pale yellow transparent
Viscosity 90℃（mPa·s）                      ≤4000          
         Solid content                                  100ï¼…