ASTM-D822 Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings

ASTM-D822 - 2013 EDITION - CURRENT
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Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
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Scope

1.1 This practice covers the selection of test conditions for accelerated exposure testing of coatings and related products in filtered open-flame carbon-arc devices conducted according to Practices G151 and G152. This practice also covers the preparation of test specimens, the test conditions suited for coatings, and the evaluation of test results. Table 1 describes commonly used test conditions.

1.2 This practice does not cover enclosed carbon-arc exposures of paints and related coatings, which is described in Practice D5031/D5031M. Another procedure for exposing these products is covered by Practice D3361/D3361M, in which the specimens are subjected to radiation from an unfiltered open-flame carbon arc that produces shorter wavelengths and higher levels of short wavelength radiation than filtered open-flame or enclosed carbon arcs.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

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.

Keywords

carbon arc; degradation; exposure; light exposure; ultraviolet; weathering; ICS Number Code 87.040 (Paints and varnishes)

To find similar documents by ASTM Volume:

06.01 (Paint -- Tests for Chemical, Physical, and Optical Properties; Appearance)

To find similar documents by classification:

87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)

To find similar documents by Federal Supply Class Code:

FSC 6635 (Physical Properties Testing and Inspection)

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Document Number

ASTM-D822/D822M-13

Revision Level

2013 EDITION

Status

Current

Modification Type

Revision with Designation Change

Publication Date

Nov. 1, 2013

Document Type

Practice

Page Count

6 pages

Committee Number

D01.27