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Web1. A flexible polyurethane foam comprising the reaction product of: an isocyanate component which is substantially free of toluene diisocyanate and comprises; polymeric diphenylmethane diisocyanate in an amount of from about 1 to about 30 parts by weight based on 100 parts by weight of said isocyanate component, and a monomeric … WebWhat is polyurethane foam (hard modification)? Polyurethane foam Is actually a group of materials belonging to the category of plastics, which are made on the basis of polyurethanes. The structure of the corresponding materials contains a significant proportion of cavities filled with air - pores or bubbles. Polyurethane foam was invented in ... gold plate international limited
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