MATERIALS PROPERTY CHART |
PP POLYPROPYLENE | EVA | HIPS POLYSTYRENE | |
Specific gravity Tensile strength PSI Elongation % Service temperature Minimum °C Maximum continuous °C Maximum intermittent °C Effect of : weak acids strong acids weak alkalis strong alkalis organic solvent oils and greases sunlight |
0,900-0,0905 3900-5000 50-600 -25 110 120 no effect attacked no effect no effect unaffected below 80° attacked by some crazes if unprotected |
0,926-0,956 1750-2500 700-800 -20 45 65 no effect attacked by oxidising acids no effect no effect poor resistance poor resistance degrades slowly |
1,03-1,05 3000-7000 1-60 -20 65 85 good resistance attacked by good resistance attacked by oxidising acids soluble in some attacked by some some attack |
FLEXIBLE PVC | HIGH TEMPERATURE FLEXIBLE PVC |
EDPM | |
Specific gravity Tensile strength PSI Elongation % Service temperature Minimum °C Maximum continuous °C Maximum intermittent °C Effect of : weak acids strong acids weak alkalis strong alkalis organic solvent oils and greases sunlight |
1,17-1,20 2971 300% -29 66 105 good resistance poor resistance good resistance poor resistance poor resistance poor resistance poor resistance |
1,35-1,38 1943 300% -25 200 230 good resistance good resistance good resistance poor resistance poor resistance poor resistance poor resistance |
- 17,6-2 (mpa) 500-800 -37 121 - good resistance good resistance fair resistance fair resistance poor resistance poor resistance good resistance |
LOW-DENSITY POLYETYLENE |
HIGH-DENSITY POLYETYLENE |
STANDARD PVC |
|
Specific gravity Tensile strength PSI Elongation % Service temperature Minimum °C Maximum continuous °C Maximum intermittent °C Effect of : weak acids strong acids weak alkalis strong alkalis organic solvent oils and greases sunlight |
0,915-0,926 600-2300 90-800 -30 50 60 fair resistance resistant exept for oxidising acids good rersistance good rersistance resistant below 60°C attacked by some crazes if unprotected |
0,947-0,965 3100-4500 10-150 -65 60 90 good resistance poor resistance good resistance good resistance uneffected below 80°C limited resistance crazes if unprotected |
1,22-1,40 700-2000 300-400 -35 50 70 limited resistance limited resistance limited resistance limited resistance poor resistance limited resistance good resistance |
NYLON | THERMOPLASTIC RUBBER |
SILICONE RUBBER |
|
Specific gravity Tensile strength PSI Elongation % Service temperature Minimum °C Maximum continuous °C Maximum intermittent °C Effect of : weak acids strong acids weak alkalis strong alkalis organic solvent oils and greases sunlight |
1,14 5800-7600 300 -40 80 170 poor resistance poor resistance poor resistance poor resistance attacked by some attacked by some discolours slightly |
0,97-0,98 980-1100 375-390 -40 135 150 excellent resistance good resistance excellent resistance very resistance attacked by some attacked by some good resistance |
1,10-1,14 8,5 (mpa) 230 -60 200 300 poor resistance poor resistance fair resistance fair resistance poor resistance attacked by some good resistance |