ASTM International - ASTM D3900-05a
Standard Test Methods for Rubber-Determination of Ethylene Units in Ethylene-Propylene Copolymers (EPM) and in Ethylene-Propylene-Diene Terpolymers (EPDM) by Infrared Spectrometry
| Organization: | ASTM International |
| Publication Date: | 1 December 2005 |
| Status: | inactive |
| Page Count: | 9 |
| ICS Code (Latex and raw rubber): | 83.040.10 |
significance And Use:
These test methods can be used for determining which EPDM polymers are evaluated in the different compounds in Test Methods D 3568.
Differences in ethylene sequence distribution cause... View More
scope:
1.1 These test methods cover the determination of the proportion of ethylene and propylene units in ethylene-propylene copolymers (EPM) and ethylene-propylenedi
1.1.1 Pressed Film Test Methods
| Sections | |
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Test Method A-For EPM and EPDM between 35 and 70 mass % ethylene | |
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Test Method B-For EPM and EPDM between 60 and 85 mass % ethylene, except for ethylene/propylene/1 | |
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Test Method C-For all EPM and EPDM polymers between 35 and 85 mass % ethylene, using near infrared |
1.1.2 Cast Film Test Methods
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Test Method D-For all EPM and EPDM polymers between 35 and 85 mass % ethylene, except for ethylene/propylene/1 |
1.2 These test methods are not applicable to oil-extended EPDM unless the oil is first removed in accordance with Test Method D.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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.
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