Polyurethane Liquid A & B - Polymer Products (PHIL.) INC.
2021-12-9u2002·u2002Polyurethane Liquid B is a liquid dark brown mixture of biphenyl methane, ISO cyanate. It is used in conjunction with polyol to produce rigid polyurethane foam. Usually used for insulated sandwich panels, cold rooms, and freezers. Also used as boat hull cavity filler and ice box insulation. Recommended ratio 1:1 by volume.
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