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ASTM D523 and ASTM D2457 Standard for Gloss Meter

What ASTM D523 Explains?

The ASTM D523 test method explains the measurement of the specular gloss of non-metallic samples for geometries of 20, 60 and 85 degrees. The ASTM D2457 standard test method is used to measure the gloss of solid plastics and plastic films (opaque and transparent). There are four separate gloss angles, for example, use 60-deg for intermediate gloss films, 20-deg for high-gloss films, 45-deg for intermediate and low gloss films, and 75-deg for plastic siding and soffit.


How Gloss Measurement is done?

The specular gloss measurement is performed for the light reflected from the material surface. The gloss is the result of the molding process and can be inherent to the material. The environmental factor could affect the weathering or surface abrasion. The gloss is significant for product and process development as well as for performance testing. The angle of reflection that is 20, 60, and 85 must be specified for the gloss measurements. The proper angle, calibration, and inspection according to standard supplied with the gloss meter are important before placing the measuring device on the test sample to take a reading.

Gloss Meter Tri-angle Evaluates the Gloss on Surface

The Gloss Meter Tri-angle is used to perform the gloss measurement of various types of materials such as paint, paper, ceramics, plastics, and metals. The compact and portable instrument measures the geometry 20, 60 and 85 degrees. The brightness of plantation white sugar and reflectance of fabrics is measured. The tool has extensive use for measuring the surface quality and shining complying with the international standards of ISO2813, GB/T 9754, besides ASTM D523, ASTM D2457.

The ASTM D523 & ASTM D2457 is an active standard.