ASTM D 3123 Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds
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ASTM D 3123 Document Information:
Title
Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds
ASTM International
Publication Date:
Mar 10, 1998
Scope:
(Footnote *)
This test method covers a procedure for measuring the spiral flow of
thermosetting molding
compounds (soft or very soft) designed for molding pressures under 6.9
MPa [1000 psi]. It is
especially suited for those compounds that may be used for
encapsulation or other low pressure
molding techniques. Textile-reinforced compounds should not be tested
using this test method. It
involves the use of a standard spiral flow mold in a transfer molding
press under specified
conditions of applied temperature and pressure with a controlled
charge mass.
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.
NOTE 1 - There is no equivalent ISO standard.
Footnote * - A Summary of Changes section appears at the end of this
standard.
Keywords:
- spiral flow
- thermosets
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