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ASTM D 1894 COF Plastic Film and Sheeting




ASTM D 1894


Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting


ASTM D 1894 COF (Coefficent of Friction) describes a method for determining the coefficients of starting and sliding friction of plastic film and sheeting when sliding over itself or other substances at specified test conditions. The procedure permits the use of a stationary sled with a moving plane, or a moving sled with a stationary plane. Both procedures yield the same coefficients of friction values for a given sample. As an option to this test, coefficient of friction may be run at temperatures other than 23°C by heating only the plane while the sled is at ambient temperature. The values stated in SI units are to be regarded as standard.

Significance and Use

Measurements of frictional properties may be made on a film or sheeting specimen when sliding over itself or over another substance. The coefficients of friction are related to the slip properties of plastic films that are of wide interest in packaging applications. These methods yield empirical data for control purposes in film production. Correlation of test results with actual performance can usually be established.


IPS tests MD to MD/Side A to Side A unless customer requests a different test orientation.  Customer needs to designate “Side A.” Optional test surfaces: Stainless steel, rubber or corrugate as requested by customer.


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