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ASTM D3361 2001 Edition, July 10, 2001
Complete Document
Superseded By: ASTM D3361/D3361M
Standard Practice for Unfiltered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
Includes all amendments and changes through Reapproval Notice , 2006
Additional Comments: W/D S/S BY ASTM D3361/D3361M
Page Count:5
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This practice covers the selection of test conditions for accelerated exposure testing of coatings and related products in unfiltered open-flame carbon-arc devices conducted according to Practice G 151. This practice also covers the preparation of test specimens, the test conditions suited for coatings, and the evaluation of test results.

NOTE 1—Previous versions of this practice referenced carbon-arc devices described by Practice G 23, which described very specific equipment designs. Practice G 23 has been withdrawn and replaced by Practice G 151, which describes performance criteria for all exposure devices that use laboratory light sources.

This practice covers unfiltered open-flame carbon-arc exposures of paints and related coatings, and covers the exposure cycle that has been commonly referred to as the “dew cycle.” Practice D 822 describes filtered open-flame carbon-arc devices, and Practice D 5031 describes enclosed carbon-arc exposures. The radiation from an unfiltered open-flame carbon arc produces shorter wavelengths and higher levels of short wavelength radiation than either filtered open-flame or enclosed carbon arcs.

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.