Coefficient of friction testing measures the ease with which two surfaces in contact are able to slide past one another where there are two different values associated with the coefficient of friction – static and kinetic. Static friction applies to the force necessary to initialize motion between the two surfaces and kinetic friction is the resistance to sliding once the surfaces are in relative motion.
Because substrate cleanliness is critically important to gathering reliable data, appropriate measures should be addressed prior to testing and taken to during testing ensure freedom from dirt, grease and other contaminants that could adversely affect test results.
ASTM D1894 is the main coefficient of friction test standard and is used by many industries whose needs vary widely. From cleanliness procedures to conditioning of substrate materials to directionality concerns DDL provides experience and expertise that help ensure that customers get the most value possible from their testing. Custom protocols and testing are always available.
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