Chemical Resistance Chart
MATERIAL | UNITS | TEST METHOD ASTM | UHMW PE | POLYPENCO 101 NYLON 6/6 | DELRIN 150 ACETAL | ERTALYTE PET-P | TEFLON PTFE | FLUOROSINT 207 FILLED PTFE |
Density / Specific Gravity | g/cm3 | D792 | 0.93 | 1.15 | 1.41 | 1.41 | 2.16 | 2.30 |
Tensile Strength | psi @ 73ºF | D638 | 3045 | 11,500 | 11,000 | 12,400 | 4,500 | 1,500 |
Modulus of Elasticity | psi @ 73ºF | D638 | 154,900 | 425,000 | 450,000 | 460,000 | 90,000 | 250,000 |
Elongation at Break | % @ 73ºF | D638 | 350 | 50 | 30 | 20 | 400 | 50 |
Izod Impact | Ft.lb./in. | D256 | 43 | 0.60 | 1.0 | 0.50 | 3 | 1.0 |
Hardness, Durometer | Shore “D”- | D2240 | 68 | 80 | 86 | 87 | 55 | 65 |
Coefficient of Friction Dynamic, Dry on Polished Steel | – | D1894 | 0.12 | 0.25 | 0.25 | 0.20 | 0.08 | 0.10 |
Limiting PV ( with 4:1 Safety Factor ) | Ft.lbs./in² | PTM55010 D3702 | 3,200 | 2,700 | 2,700 | 2,800 | – | 8,000 |
Maximum Pressure/Stress Continuous Load | psi @ 73ºF | D695 | 1,800 | 2,000 | 2,200 | 2,300 | – | 1,500 |
Maximum Pressure/Stress Continuous Load | psi @ 150ºF | D695 | 400 | 1,200 | 1,800 | 2,000 | 70 | 1,000 |
Maximum Pressure/Stress Continuous Load | psi @ 300ºF | D695 | N/R | N/R | N/R | N/R | – | 500 |
Continuous Service Temp. In-Air ( NO LOAD ) | ºF | – | 180 | 210 | 180 | 210 | 500 | 500 |