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ASTM D1670-04

Current Revision

Standard Test Method for Failure End Point in Accelerated and Outdoor Weathering of Bituminous Materials

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1.1 This test method covers the use of a spark generating apparatus for determination of failure due to cracking of bituminous materials undergoing accelerated or outdoor weathering on electrically conductive backings.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 extent of cracking or pitting of bituminous films is a measure of the extent of deterioration due to weathering. Failure due to cracking is more accurately determined electrically than visually.

Failure determined by this test method will depend not only on the characteristics of the bituminous material and the extent of weathering, but also on the film thickness, and the amount and type of mineral filler present.

Tests on a similar material of known weathering characteristics (a control) exposed at the same time as the test material is strongly recommended as a check on the validity of the test results.

SDO ASTM: ASTM International
Document Number D1670
Publication Date May 1, 2004
Language en - English
Page Count 4
Revision Level 04
Supercedes
Committee D08.02
Publish Date Document Id Type View
May 1, 2004 D1670-04 Revision
July 10, 1998 D1670-98 Revision
April 10, 2003 D1670-98R03 Reaffirmation