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Scope

1.1 These test methods cover the measurement of the reflection characteristics responsible for the glossy appearance of high-gloss surfaces. Two test methods, A and B, are provided for evaluating such surface characteristics at specular angles of 30° and 20°, respectively. These test methods are not suitable for diffuse finish surfaces nor do they measure color, another appearance attribute.

1.2 As originally developed by Tingle and others (see Refs 1 and 2), the test methods were applied only to bright metals. Recently they have been applied to high-gloss automotive finishes and other nonmetallic surfaces.

Keywords

Automotive coatings/paints; Coatings-enamel; Coatings-metallic; Directionality; Gloss; Haze; High-gloss surfaces; Instrumental measurement-paints/related coatings/materials; Metallic finishes; Nonmetallic materials; Reflectance and reflectivity; Spectral data; Spectrophotometry-goniophotometry; Surface analysis-paints/related coatings/materials

To find similar documents by ASTM Volume:

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

To find similar documents by classification:

17.040.20 (Properties of surfaces)

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