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ASTM D3349-12

Historical Revision

Standard Test Method for Absorption Coefficient of Ethylene Polymer Material Pigmented with Carbon Black

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1.1 This test method measures the amount of light transmitted through a film of carbon black pigmented ethylene polymer.

1.2 After calculation of the amount of light and film thickness, an absorption coefficient is calculated.

1.3 Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those 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.

The absorption coefficient of polyolefin polymer pigmented with carbon black is useful to judge the degree and uniformity of dispersion of the pigment, and the adequacy of the quantitative level of pigment addition. These factors are used to predict the performance of the polymer material in response to prolonged exposure to ultraviolet light as evidenced by minimal changes in specific properties.

Note 1—This test method was developed to evaluate ethylene polymer materials pigmented with small particle size carbon blacks suitable for UV protection. It is not known how accurate and reproducible the test would be with larger (35 nm or greater) particle size blacks.

SDO ASTM: ASTM International
Document Number D3349
Publication Date Jan. 1, 2012
Language en - English
Page Count 5
Revision Level 12
Supercedes
Committee D09.07
Publish Date Document Id Type View
Sept. 1, 2021 D3349-21 Revision
March 1, 2017 D3349-17 Revision
Jan. 1, 2012 D3349-12 Revision
April 1, 2006 D3349-06 Revision
March 10, 1999 D3349-99 Revision
Not Available D3349-86 Revision