methylenediphenyl |
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| navigate by keyword : dry old collapsing polyurethane foam close building quality mounting sealant professional household chemicals aerosol methylenediphenyl diisocyanate polyols blowing agent insulation cracks draft pink universal cavities chemical reaction adhesion prepolymer boiling volume bubbles expansion inert physical body polymerization carbon dioxide viscosity compaction |
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| Dry old collapsing polyurethane foam close-up. Building foam quality. |
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