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International Standard Category: Chemical reagents

HG/T 2409-1992    Determination of Isocyanate Group Content in Polyurethane Performed Polymer
聚氨酯预聚体中异氰酸酯基含量的测定;
Category No.:71.040.30 Valid Status:to be superseded
Issued Organization:0 Issued Date:1992-10-22
Implemented Date:1994-12-1 Abolished Date:
Superseded Standard.:HG/T 2409-2023 Determination of isocyanate group content in polyurethane prepolymer
Superseded Date:2024-7-1
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