Product details

WANNATE®PM-400

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WANNATE®PM-400 is  polymethylene polyphenylene isocyanatea with high functionality and high viscosity, its  functionality is 2.8-2.9. 

 

Typical Properties

Viscosity (25℃, mPa·S):350-500
NCO, %:30.5-32.0
Hydrolysable Chlorine, %  ≤0.2
Acidity (HCl), % ≤0.05 
Density 25℃, g/cm3:1.22-1.25  

Appearance:Brown Liquid

 

Benefits

WANNATE®PM-400 can improve cell homogeneity and dimensional stability of foams and the compressive strength vertical to the foaming direction. The flame retardancy of polyurethane and polyisocyanurate foams also shows some improvement. 

 

Applications

WANNATE®PM-400 can be used in the production of rigid PU foam and polyisocyanurate foams; particularly fit for continuous production of laminated polyisocyanurate sandwich pannels.

 

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