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1.1 This test method covers determination of 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.
Note 1—For the frictional characteristics of plastic films partially wrapped around a cylinder, or capstan, see Test Method G 143
1.2 Test data obtained by this test method is relevant and appropriate for use in engineering design.
1.2.1 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.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement, see the end of 6.5.
Note 2—This test method is not equivalent to ISO 8295–1995, and results cannot be directly compared between the two methods.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D883 Terminology Relating to Plastics
D3574 Test Methods for Flexible Cellular Materials--Slab, Bonded, and Molded Urethane Foams
D4000 Classification System for Specifying Plastic Materials
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
G143 Test Method for Measurement of Web/Roller Friction Characteristics
ICS Number Code 83.140.10 (Films and sheets)
UNSPSC Code 13111200(Films); 30265802(Plastic sheet)