BS 3424-28:1995 Testing coated fabrics - Part 28. Method 31. Determination of specular gloss
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This Part of BS 3424 describes a method of test for determining the specular gloss, using a reflectometer geometry of 20 or 60 or 85 of the polymeric coated surface of coated fabrics which are substantially smooth and are not deeply embossed. If the test is conducted on such structured surfaces no single value of specular gloss can be said to be representative of the coated fabric as a whole.