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ASTM-D7251:2010 Edition

ASTM-D7251:2010 Edition

$40.63

D7251-10 Standard Specification for Color and Appearance Retention of Variegated Color Plastic Siding Products

Published By Publication Date Number of Pages
ASTM 2010 7
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1.1 This specification establishes requirements and test methods for the color and appearance retention of variegated color plastic siding products.

1.2 Color retention testing provides a method for estimating the acceptability of color change in a siding product over a period of years of service.

1.3 Characterization of color and appearance for variegated colors is complicated by the presence of multiple colors in a random pattern. The procedure is based on using a template to reference six spots for color measurement.

1.4 Methods of indicating compliance with this specification are provided.

1.5 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.

Note 1There is no known ISO equivalent to this standard.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Classification
3 Procedure for Measuring Color Retention
4 FIG. 1
5 Performance Requirements
A1. WASHING WEATHERING SPECIMENS
A1.1 Scope
A1.2 Equipment
A1.3 Procedure
X1.
X1.1 Ellipsoid Value Calculation—Example
6 X1.2 Guidelines for Using the Variegated Color Measurement Template

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