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ASTM D5767-95(1999)

Historical Revision

Standard Test Method for Instrumental Measurement of Distinctness-of-Image (DOI) Gloss of Coated Surfaces

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1.1 This test method describes the measurement of the distinctness-of-image (DOI) gloss of coating surfaces using electro-optical measuring techniques. The coatings must be applied to planar rigid surfaces. The scale values obtained from the alternative methods cited do not agree.

1.2 Three test methods are covered as follows:

1.2.1 Test Method A -Gloss reflectance factor measurements are made on the specimen at the specular viewing angle and at an angle slightly off the specular viewing angle. The values obtained are combined to provide a DOI value. Very narrow source and receptor aperture angles are used in the measurements.

1.2.2 Test Method B -The light through a small slit is projected on the specimen surface and its reflected image intensity is measured through a sliding combed shutter to provide a value of image clarity.

1.2.3 Test Method C -The light through a pattern is projected on the specimen surface and its reflected image intensity is measured directly to provide a value of image clarity.

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.


SDO ASTM: ASTM International
Document Number D5767
Publication Date May 10, 1999
Language en - English
Page Count 6
Revision Level 95(1999)
Supercedes
Committee E12.03
Publish Date Document Id Type View
Oct. 1, 2018 D5767-18 Revision
June 15, 2017 D5767-17 Revision
May 10, 1999 D5767-95R99 Revision
Nov. 1, 2023 D5767-18R23 Reaffirmation
July 1, 2012 D5767-95R12 Reaffirmation
Nov. 1, 2004 D5767-95R04 Reaffirmation