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International Standard Category: Thermoplastic materials

GB 1847-1980    Test method for the viscosity of the dilute solution of polyformaldehyde resin
聚甲醛树脂稀溶液粘度试验方法 ;
Category No.:83.080.20 Valid Status:superseded
Issued Organization:National Standards Bureau Issued Date:1980-01-31
Implemented Date:1980-10-1 Abolished Date:
Superseded Standard.:HG/T 3604-1999 Determination of viscosity number and limiting viscosity number of polyoxymethylene in dilute solution
Superseded Date:2001-1-1
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