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Gloss measurement


The gloss level of a surface is a measure of mirror reflection and is expressed in gloss units (GU).

Can be applied to:

Coatings or material surfaces


Test method standards:

ISO 2813


Test procedure:

Depending on the roughness and gloss of a surface, the test should be conducted under the appropriate angle (20°, 60° or 85°) according to ISO 2813. We usually test on flat surfaces since the viewing port of 60 x 12 mm must be covered completely.

Lead time:

5 business days


All tests – composites – metals – plastics – coatings – adhesives – 3D prints

About Sirris Testlabs

Since 1949, Sirris has been helping companies in Belgium to innovate. With our high-tech testing labs and our skilled material experts we want to support the Belgian manufacturing industry in testing and improving its products.

A division of

Accreditation acc to EN ISO 17025






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