1 Subject Content and Application Scope
This standard specifies a method for determining the coefficients of static and dynamic friction of plastic film and sheeting when sliding over itself or other materials.
This standard is applicable to non-sticky plastic film and sheeting of 0.2mm thickness below.
2 Normative References
GB 2918 Plastics - Standard Atmospheres for Conditioning and Testing
GB 3360 Statistical Interpretation of Data - Estimation of the Mean - Confidence Interval
3 Terms and Symbols
3.1 Static friction
The maximum resistance against two contact surfaces at the onset of relative motion, expressed in Fs.
3.2 Dynamic friction
The resistance against two contact surfaces during relative motion at a given speed, expressed in Fd.
3.3 Normal force
The force vertically applied to two contact surfaces, expressed in Fp.
3.4 Static coefficient of friction
1 Subject Content and Application Scope
2 Normative References
3 Terms and Symbols
4 Principle
5 Test Device
6 Effect of inertia
7 Specimen and Its Preparation
8 Specimen Conditioning and Standard Test Environment
9 Test Procedures
10 Expression of Test Results
11 Test Report
Additional Explanation
