Product Description
44V20 is a mixture of isocyanate and diphenylmethane diisocyanate containing a certain amount of higher functionality, and is a dark brown liquid at room temperature.
Application
44V20 can be widely used in the manufacture of polyurethane rigid foam insulation materials; it can also be used in the fields of isocyanurate foams, coatings, adhesives, seepage prevention and leakage plugging, structural foams, microcellular self-skinning foams, automobile bumpers, interior parts, high resilience foams, synthetic woods and so on. Due to its unique composition structure, it has good foam fluidity performance, and is also used in the manufacture of products with strict requirements for the fluidity of the foaming liquid.
Physical and chemical properties
Item
Indicator
Standard
Appearance
Brown liquid
Visualization
Viscosity(25℃)mPa.s
150~250
GB 12009.3
NCO mass fraction
30.5~32.0
GB 12009.4
Density(25℃)g/cm
1.220~1.250
GB 4472
Acid content (%, HCL)
≤0.05
GB/T 12009.5
Hydrolyzed chlorine(%)
≤0.2
GB 12009.2
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