Cell Instruments Co., Ltd.
Material Testing Solutions
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Inclined plane COF tester Inclined plane COF tester is used to measure the static 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.
Inclined plane COF tester principle
The COF is measured on an inclined plane of approximately 0 to 85°. This incline is increased at a rate of 1.5±0.5° per second by an electric motor until the sample bearing block begins to slide. At this point, the inclined plane is locked and the angle can be read. The tangent of this angle is the coefficient of friction (COF).
The test on the Incline Coefficient of Friction Tester is frequently referred to as a slide angle. The coefficient of friction is numerically equivalent to the tangent of that angle.
Inclined plane COF tester features
Inclined plane COF tester technical specification
| Angle range | 0° ~ 65° |
| Accuracy | 0.01° |
| Angular Velocity | 0.1°/s ~ 10.0°/s |
| Sled | 1300g (standard), or 200g, 235g |
Standards
ASTM D202, ASTM D4918, TAPPI T815