Among other things, the coefficient of friction (COF) provides information about the surface texture and printability of plastic films. The static and kinetic coefficient of friction is particularly interesting for films that are further processed on packaging and printing machines. The determination of the coefficient of friction of plastic films is described in standards ISO 8295, ASTM D1894, JIS K7125 and DIN 53375 (withdrawn).
The main difference between ISO 8295 and ASTM D1894, besides the use of different specimen dimensions, is that ASTM D1894 only allows measurements of film against film, while ISO 8295 also allows measurements of film against other materials such as metal or glass.
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