ASTM D 4212 Standard Test Method for Viscosity by Dip-Type Viscosity Cups
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ASTM D 4212 Document Information:
Title
Standard Test Method for Viscosity by Dip-Type Viscosity Cups
ASTM International
Publication Date:
May 10, 1999
Scope:
This test method covers the determination of viscosity of paints,
varnishes, lacquers, inks, and
related liquid materials by dip-type viscosity cups. This test method
is recommended for viscosity
control work within one plant or laboratory and should be used to
check compliance with
specifications only when sufficient controls have been instituted to
ensure adequate comparability
of results.
Viscosity cups are designed for testing of Newtonian and
near-Newtonian liquids. If the test
material is non-Newtonian, for example, shear-thinning or thixotropic,
another method, such as Test
Methods D 2196, should be used. Under controlled conditions,
comparisons of the viscosity of
non-newtonian materials may be helpful, but viscosity determination
methods using controlled shear
rate or shear stress are preferred.
The values stated in SI units are to be regarded as the standard. The
values given in parentheses
are for information only.
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.
Keywords:
- dip cup(s)
- flow cup(s)
- Shell cup(s)
- viscosity
- Zahn cup(s)
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