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Coefficient of Friction Tester measures the static and kinetic COF of plastic films, sheets, rubber, paper and paper board, PP woven bags, fabrics, metal-plastic composite belts for communication cables, convey belts, wood, coatings, brake pads, windshield wipers, shoe materials and tires.
It follows ASTM D1894 and ISO 8295 standard.
Two samples are placed together. A long strip sample is fixed on the flat surface and another squared sample is applied force by a sled. The friction force is measured when they slip against each other.