Table 399. SELECTING COEFFICIENTS OF STATIC FRICTION
FOR POLYMERS
|
|
Coefficient of Static |
|
|
Friction |
|
|
(Against Self) |
|
Polymer |
(Dimensionless) |
|
|
|
|
|
|
|
6/6 Nylon: General purpose molding |
0.04—0.13 |
|
Polyacetal Homopolymer: 22% TFE reinforced |
0.05—0.15 (against steel) |
|
Polyarylsulfone |
0.1—0.3 |
|
Polyacetal Homopolymer: Standard |
0.1—0.3 (against steel) |
|
Polyacetal Homopolymer: 20% glass reinforced |
0.1—0.3 (against steel) |
|
Polyester; Thermoplastic Moldings: General purpose grade |
0.13 (against steel) |
|
Polyester; Thermoplastic Moldings: Glass reinforced grades |
0.14 (against steel) |
|
Polyester; Thermoplastic : Glass reinforced self |
0.14 (against steel) |
|
extinguishing |
|
|
|
Polyacetal Copolymer: Standard |
0.15 (against steel) |
|
Polyacetal Copolymer: 25% glass reinforced |
0.15 (against steel) |
|
Polyacetal Copolymer: High flow |
0.15 (against steel) |
|
Polyester; Thermoplastic Moldings: Glass reinforced grades |
0.16 (ASTM D1894) |
|
Polyester; Thermoplastic: Glass reinforced self extinguishing |
0.16 (ASTM D1894) |
|
Polyester; Thermoplastic Moldings: General purpose grade |
0.17 (ASTM D1894) |
|
ABS–Polycarbonate Alloy |
0.2 |
|
Nylon, Type 6: Cast |
0.32 (dynamic ) |
|
Polycarbonate |
0.52 |
|
Phenylene oxides (Noryl): Standard |
0.67 |
|
|
|
Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.
