ASTM D 3591 Standard Test Method for Determining Logarithmic Viscosity Number of Poly(Vinyl Chloride) (PVC) in Formulated Compounds
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ASTM D 3591 Document Information:
Title
Standard Test Method for Determining Logarithmic Viscosity Number of Poly(Vinyl Chloride) (PVC) in Formulated Compounds
ASTM International
Publication Date:
Jan 10, 1997
Scope:
This test method covers the determination of the logarithmic viscosity
number of poly(vinyl
chloride) (PVC) homopolymers after compounding or processing.
It is the basic assumption of this technique that the formulation of
the compounded resin is known
and that any additives present can be separated from the resin by
extraction with diethyl ether.
This is necessary to permit adjustment of the amount of sample used in
the test to give a resin
concentration in cyclohexanone of 0.2 ± 0.002 g/100 mL.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use. Specific
precautionary statements are given in 7.3 and 8.4.1.
NOTE 1 - This test method and ISO 1628-2 are not equivalent.
Keywords:
- formulations
- logarithmic viscosity number
- poly(vinyl chloride)
- PVC
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