ASTM D 2230 Standard Test Method for Rubber Property - Extrudability of Unvulcanized Compounds

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ASTM D 2230 Document Information:

Title
Standard Test Method for Rubber Property - Extrudability of Unvulcanized Compounds

ASTM International

Publication Date:
Jun 10, 1996

Scope:

This test method covers the determination of the extrudability of unvulcanized SBR and NBR rubber compounds through a screw-type extruder equipped with ASTM Extrusion Die, Garvey type. This test method is designed to allow the observation of the appearance and contours of the extrusion. Rating systems are provided along with recipes for compounds of known extrusion characteristics. The utility of the test method for evaluating rubbers or compounding materials other than those listed has not been established. Since extrusion machines differ among laboratories, the procedure includes techniques that minimize differences between machines.

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:

appearance
extrudability
extrusion
processability

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