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1.1 This practice covers the compression molding of thermoplastic granules and milled stock for the preparation of test specimens.
1.2 While conditions for certain materials are given, the primary source of specific conditions shall be the material specification standards for each type of material.
1.3 The values stated in SI units are to be regarded as the standard. The values given in brackets 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.Note 1
The main body of this practice is equivalent to ISO 293-1986. and ISO 293-1986 differ in some details; however, specimens prepared using , Procedure A should be equivalent to those prepared using ISO 293-1986, Cooling Method D. Specimens prepared using , Procedure C should be equivalent to those prepared using ISO 293-1986, Cooling Method B. However, due to the greater cooling rate tolerances of the ISO standard, specimens prepared in accordance with ISO Cooling Method B may not be equivalent to , Procedure C.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D1248 Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable
D3350 Specification for Polyethylene Plastics Pipe and Fittings Materials
D4976 Specification for Polyethylene Plastics Molding and Extrusion Materials
ISO StandardISO 293-1986 Plastics--Compression Moulding Test Specimens of Thermoplastic Materials ISO/IEC Selected Standards for Testing Plastics, available from ASTM. Also available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
UNSPSC Code 13102000(Thermoplastic plastics)
ASTM D4703-07, Standard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets, ASTM International, West Conshohocken, PA, 2007, www.astm.orgBack to Top