Research Report Approved: Feb 01, 2023
RR:D20-2005

D1238-Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer

The precision of this test method is based on an interlaboratory study of ASTM D1238, Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer, conducted in 2020. Each of six volunteer laboratories were asked to test six different materials. Every “test result” represents an individual determination, and all participants were instructed to report three replicate test results for each material. Practice E691 was followed for the design and analysis of the data; the details are given in ASTM Research Report No. D20-2005.
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Details
Developed by Subcommittee: D20.30
Stock # : RR-D20-2005
Standard: D1238