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ASTM International - ASTM D3123-98(1999)e1

Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds

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Organization: ASTM International
Publication Date: 10 November 1999
Status: inactive
Page Count: 3
ICS Code (Other rubber and plastics products): 83.140.99
scope:

1.1 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.

1.2 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.

Document History

August 1, 2017
Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds
1.1 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...
September 1, 2009
Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds
1.1 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...
October 1, 2004
Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds
The spiral flow of a thermosetting molding compound is a measure of the combined characteristics of fusion under pressure, melt viscosity, and gelation rate under specific conditions. This test...
ASTM D3123-98(1999)e1
November 10, 1999
Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds
1.1 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...
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