Material
Technical Properties | Specific Gravity | Water Absorption
(%) |
Hardness
Rockwell |
Tensile
Strength Yield PSI |
Impact
Strength Notched ft. lb/in |
Elongation
At Break |
HDT
°C |
Injection
|
Max Working Temp °C |
---|---|---|---|---|---|---|---|---|---|
Normal Grade Polypropylene | 0.90-0.91 | 0.01-0.03 | 50 | 4400 | 1.5-2.5 | 200 | 90 | 200-300 | 80-85 |
Isotactic Polypropylene | 0.90 | 0.01 | 70 | 4800 | 2.2-2.7 | 200 | 142 | 200-300 | 120 |
PVDF | 1.77-1.78 | 0.03 | 76-80 | 7000 | 2.0-4.0 | 50-250 | 168 | 200-300 | -40 to +140 |
ETFE | 1.70 | 0.007 | 75 | 6700 | 2.0 | 300 | 176 | 310-330 | -100 to +160 |
FEP | 2.15 | 0.004 | 60 | 3400 | 2.9 | 325 | 260 | 350-370 | 205 |
PFA | 2.15 | < 0.03 | 72 | 3600 | 1.2 | 300 | 305 | 350-370 | 260 |
Advantages of Isotactic Polypropylene v/s Normal Grade PP