Which Angle Should I Use for My Application?<br />
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ASTM D 523 describes three measurement angles to measure gloss across all surfaces.<br />
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Gloss is measured in gloss units (GU) and is traceable to reference standards held at BAM (Germany), NRC (Canada) or NPL (UK).<br />
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Universal Measurement Angle: 60°<br />
All gloss levels can be measured using the standard measurement angle of 60°. This is used as the reference angle with the complimentary angles of 75° and 20° often ...This story is related to the following:Optics and Photonics Sponsored by: OFS Specialty Photonics Div - OFS Cat Sponsor for Vert Banner replacementSearch for suppliers of: Magnifiers | Surface Finish Gages |