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ASTM D3900

2015 Edition, June 1, 2015

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Standard Test Methods for Rubber—Determination of Ethylene Units in Ethylene- Propylene Copolymers (EPM) and in Ethylene-Propylene- Diene Terpolymers (EPDM) by Infrared Spectrometry



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Product Details:

  • Revision: 2015 Edition, June 1, 2015
  • Published Date: June 1, 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 11
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

These test methods cover the determination of the proportion of ethylene and propylene units in ethylenepropylene copolymers (EPM) and ethylene-propylenediene terpolymers (EPDM) over the range from 35 to 85 mass % ethylene. Four test methods are needed to encompass the variety of commercial polymers that contain additives or polymerized diene units that interfere with the various infrared peaks. Except when interferences are present, all four test methods should give similar results. The test methods appear in the following order:

Pressed Film Test Method

Cast Film Test Methods:

These test methods are not applicable to oil-extended EPDM unless the oil is first removed in accordance with Test Method D.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.