chemical · input
Rigid Polyurethane Foam Insulation
Closed-cell rigid PU foam injected between the inner liner and outer cabinet of refrigerators and freezers for thermal insulation. Requires polyol and MDI isocyanate precursors. Blowing agents have migrated from CFCs to cyclopentane.
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Goods that need this input
1 essential American goods rely on rigid polyurethane foam insulation somewhere upstream in their supply chain.