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Standard Test Method for Specular Gloss of Plastic Films and Solid Plastics
STANDARD published on 1.4.2013
Designation standards: ASTM D2457-13
Note: WITHDRAWN
Publication date standards: 1.4.2013
SKU: NS-20422
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
gloss, plastic films, solid plastics, ICS Number Code 83.140.10 (Films and sheets)
Significance and Use | ||||||||||||||
4.1 Specular gloss is used primarily as a measure of the shiny appearance of films and surfaces. Precise comparisons of gloss values are meaningful only when they refer to the same measurement procedure and same general type of material. In particular, gloss values for transparent films should not be compared with those for opaque films, and vice versa. Gloss is a complex attribute of a surface which cannot be completely measured by any single number. 4.2 Specular gloss usually varies with surface smoothness and flatness. It is sometimes used for comparative measurements of these surface properties. |
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1. Scope | ||||||||||||||
1.1 This test method describes procedures for the measurement of gloss of plastic films and solid plastics, both opaque and transparent. It contains four separate gloss angles (Note 1): 1.1.1 60-deg, recommended for intermediate-gloss films, 1.1.2 20-deg, recommended for high-gloss films, 1.1.3 45-deg, recommended for intermediate and low-gloss films, 1.1.4 85-deg, recommended for intermediate and low gloss films, and 1.1.5 75-deg, recommended for plastic siding and soffit. 1.2 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.
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Standard Test Method for Specular Gloss
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Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45?:0? or 0?:45?) Geometry
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Standard Test Method for 45-deg Specular Gloss of Ceramic Materials
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Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Siding
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Standard Terminology of Appearance
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Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry
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Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
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