BS ISO 1628-5 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
31-03-2015
English
01-01-1998
Defines a procedure for determining the viscosity number of dilute solutions of thermoplastic polyesters (TPs) in certain defined solvents. Applies to poly(ethylene terephthalate)(PET), poly(butylene terephthalate)(PBT), poly- (cyclohexylenedimethylene terephthalate) (PCT), and poly (ethylene naphthalate) (PEN), in addition to copolyesters and other polyesters, specified in ISO 7792-1, which are soluble in one of the specific solvents under the specific conditions.
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