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ASTM International - ASTM D1238-20

Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer

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Organization: ASTM International
Publication Date: 1 July 2020
Status: active
Page Count: 17
ICS Code (Thermoplastic materials): 83.080.20
significance And Use:

5.1 This test method is particularly useful for quality control tests on thermoplastics.

5.2 The data produced by this test method serves to indicate the uniformity of the flow rate of the... View More

scope:

1.1 This test method covers the determination of the rate of extrusion of molten thermoplastic resins using an extrusion plastometer.

1.2 The values stated in SI units are to be regarded as standard.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 1: This standard and ISO 1133 address the same subject matter, but differ in technical content.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM D1238-20
July 1, 2020
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
5.1 This test method is particularly useful for quality control tests on thermoplastics. 5.2 The data produced by this test method serves to indicate the uniformity of the flow rate of the polymer...
August 1, 2013
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers the determination of the rate of extrusion of molten thermoplastic resins using an extrusion plastometer. After a specified preheating time, resin is extruded through a...
February 1, 2010
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers the determination of the rate of extrusion of molten thermoplastic resins using an extrusion plastometer. After a specified preheating time, resin is extruded through a...
December 1, 2004
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers measurement of the rate of extrusion of molten resins through a die of a specified length and diameter under prescribed conditions of temperature, load, and piston...
August 1, 2004
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers measurement of the rate of extrusion of molten resins through a die of a specified length and diameter under prescribed conditions of temperature, load, and piston...
March 1, 2004
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers measurement of the rate of extrusion of molten resins through a die of a specified length and diameter under prescribed conditions of temperature, load, and piston...
August 10, 2001
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers measurement of the rate of extrusion of molten resins through a die of a specified length and diameter under prescribed conditions of temperature, load, and piston...
August 10, 2001
Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
1.1 This test method covers measurement of the rate of extrusion of molten resins through a die of a specified length and diameter under prescribed conditions of temperature, load, and piston...
January 1, 1990
Standard Test Method for Flow Rates of Thermoplastics by Extrusion Plastometer
A description is not available for this item.
January 1, 1985
Standard Test Method for Flow Rates of Thermoplastics by Extrusion Plastometer
A description is not available for this item.
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