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BS 3900-D5:1995 Methods of test for paints. Optical tests on paint films - Part D5. Measurement of specular gloss of non-metallic paint films at 20°, 60° and 85°

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This International Standard is one of a series of stardards dealing with the sampling and testing of paints, varnishes and related products. I t specifies a test method for determining the specular gloss of paint films using a reflectometer geometry of 20", 60" or 85*. The method is not suitable for the measurement of the gloss of metallic paints. a) The 60* geometry is applicable to all paint films, but for very high gloss and near-matt films 20" or 85* may be more suitable, b) The 20' geometry, which uses a smaller receptor aperture, is intended to give improved differen- tiation between high-gloss paint films (i.e. films with a 60" specular gloss higher than about 70 units). c) The 85' geometry is intended to give improved differentiation between low-gloss paint films (i.e. films with a 60* specular gloss lower than about 10 units). NOTES 1 The same geometry should, of course, be retained to a series of measurements even if this means disregarding the suggested limits. 2 In some cases, the determination of specular gloss may not correspond to a visual assessment.
Contributor(s):
MAR - Data Entry Person
Primary Item Type:
British Standard
Identifiers:
ICS 87.040 Paints and varnishes
ISBN 0580237060
Subject Keywords:
Gloss (of surface); Testing conditions; Varnishes; Angles (geometry); Paints; Specular reflection; Test equipment; Control samples; Coatings; Optical properties of materials; Non-metallic coatings; Calibration; Films (states of matter); Reproducibility; Specimen preparation; Optical measurement
First presented to the public:
10/19/2022
Original Publication Date:
2/15/1995
Previously Published By:
British Standards Institution
Place Of Publication:
London, United Kingdom
Citation:
Extents:
Number of Pages - 8
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2022-10-19 17:57:36.981
Date Last Updated
2023-05-17 10:09:02.435
Submitter:
Muhamad Azmil Ramli

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BS 3900-D5:1995 Methods of test for paints. Optical tests on paint films - Part D5. Measurement of specular gloss of non-metallic paint films at 20°, 60° and 85°1 2022-10-19 17:57:36.981
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