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ASTM-D1641:2004 Edition(Redline)

ASTM-D1641:2004 Edition(Redline)

$23.40

D1641-04 Standard Practice for Conducting Outdoor Exposure Tests of Varnishes (Redline)

Published By Publication Date Number of Pages
ASTM 2004 3
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Significance and Use

The procedure described in this practice is designed to provide guidance for evaluating the effects of outdoor exposure on varnishes applied to wooden substrates. For many products, fixed angle exposures will produce higher degradation rates than the normal end use of the material.

The degradation rate produced by this procedure depends on the season of the exposure and geographical location. Because outdoor weather conditions vary from season to season and year to year, this practice is not reliable for establishing absolute performance ratings for varnishes. The practice should be used only for comparing the relative performance of varnishes exposed at the same time and same location.

1. Scope

1.1 This practice covers the procedure for evaluating durability of varnishes applied to a wooden substrate.

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

1.3 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D660 Test Method for Evaluating Degree of Checking of Exterior Paints D661 Test Method for Evaluating Degree of Cracking of Exterior Paints D962 Specification for Aluminum Powder and Paste Pigments for Paints D1475 Test Method For Density of Liquid Coatings, Inks, and Related Products D1729 Practice for Visual Appraisal of Colors and Color Differences of Diffusely-Illuminated Opaque Materials D3924 Specification for Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials G7 Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials

U. S. Federal Specification

TT-V-119 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098.

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$23.40