Slabstock-Block Foam Polyurethane Systems

According to the manufacturers, slabstock polyurethane systems can have 2 to 8 components.

Slabstock foams with different free densities, like most foams, are prepared from basic ingredients (materials) such as polyols, isocyanates, catalysts, surfactants, blowing and foaming agents, flame retardants, antioxidants, and sometimes colorants.

In general, batch processes such as lamination and single-shot can be used with three main foam preparation approaches, such as semi-prepolymer (prepolymer) and prepolymer.

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