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| PROPERTY | TEST METHOD | UHMW | ACETAL | NYLON 6/6 | POLYUR PTFE ETHANE | PTFE | POLYPRO PYLENE |
| TENSILE STRENGTH | D638 | 6400+ | 8800 | 9000 | 5000 | 3000 | 4500 |
| ELONGATION, % | D638 | 350+ | 50 | 150 | 300 | 225 | 400 |
| IMPACT
STRENGTH (ft.lb./in.) |
D256 | NB | 1.0-1.5 | 1.0-2.0 | NB | 3.0 | 1.5 |
| TENSILE
IMPACT (ft.lb./in.2) |
D1822 | 1000 | 100 | 300 | 200 | 75 | |
| FLEXURAL
ELASTIC MODULUS, PSI x 105 |
D790 | 1.4 | 308 | 3.0 | 0.7 | - | 1.9 |
| TABER
ABRASION (cs 17 1000 gm/5000r) wt. loss mg |
D1044 | NIL | 70 | 49 | 3 | 42 | 40 |
| HARDNESS, ROCKWELL | D785 | R64 | M75 | R100 | R50 | R45 | R90 |
| SAND SLURRY ABR. | See other chart | ||||||
| THERMAL
EXPANSION (10-5in./in./°C) |
D696 | 12 | 8.5 | - | 17 | 10 | 9.0 |
| WATER
ABSORPTION (24 hr.,1/8",%) |
D570 | 0.0 | 0.22 | 1.5-2.0 | 0.9 | 0.0 | - |
| FRICTION
COEFF., DYNAMIC, DRY vs. STL |
.10-.22 | .15-.35 | .15-.40 | 0.7 (urethane) |
.04-.25 | - | |
| FRICTION
COEFF., CYNAMIC, WET vs. STL |
.05-.08 | .10-.20 | .14-.19 | .04-.08 | - |