GB/T 13658-2015
ActivePolymethylene polyphenylene isocyanate
多亚甲基多苯基异氰酸酯
Application Summary AI generated
GB/T 13658-2015 specifies the technical requirements, test methods, inspection rules, and packaging for polymethylene polyphenylene isocyanate (commonly known as polymeric MDI). It is applied in the production of polyurethane materials, including rigid foams used for thermal insulation in construction, refrigeration, and industrial pipe insulation. The standard ensures consistent quality and performance of this raw material for manufacturers and quality control testing.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.