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DIN 53728-3:1985-01
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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TESTING OF PLASTICS; DETERMINATION OF THE VISCOSITY NUMBER OF POLYETHYLENE TEREPHTHALATE (PETP) OR POLYBUTYLENE TEREPHTHALATE (PBTP) IN DILUTE SOLUTION
Hardcopy , PDF
01-05-2015
English
12-01-2013
The procedure described is used to determine the viscosity number of PETP or PBTP in dilute solution. A mixture consisting of equal parts by mass of phenol and 1,2-dichlorobenzene is used as solvent. Additives, e.g. fillers, affect the results of the viscosity measurement and allowance shall be made for these when weighing the sample.
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