Static and dynamic COFs of Sylgard 184 and LIM 6030 samples for different numbers of coatings after 25 runs*

Coating No.Sylgard 184LIM 6030
Static COFDynamic COFStatic COFDynamic COF
00.738 ± 0.0930.707 ± 0.0891.346 ± 0.1131.298 ± 0.113
10.334 ± 0.169 (P = .0016)0.312 ± 0.174 (P = .0019)1.052 ± 0.216 (P = .0273)1.026 ± 0.222 (P = .0435)
20.366 ± 0.114 (P = .0005)0.312 ± 0.108 (P = .0002)0.815 ± 0.114 (P < .0001)0.765 ± 0.098 (P < .0001)
30.471 ± 0.091 (P = .0018)0.416 ± 0.090 (P = .0009)0.719 ± 0.121 (P < .0001)0.683 ± 0.120 (P < .0001)
  • Note:—COF indicates coefficient of friction.

  • * The COF is presented as mean ± SD. The Student t test compares the mean COF of the coated and uncoated groups. The 2-tailed P value < .05 indicates a statistically significant difference.