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Kenplas Forum ==> Education & Research ==> PP Stretch Blow Molding
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Material Comparsion | | PP | PET | | Density | 0.85-0.94 | 1.34-1.39 | | O2 Permeability | 31 x | 1 | | CO2 Permeability | 23 x | 1 | | Water Permeability | 0.2 x | 1 | | Heat Resistance | 100 0C | 70 0C | | Chemical Resistance | Excellent | Good | | Odor Resistance | Poor | Good | | Thermal Conductivity | Lower than PET's | - |
Conditioning Temperature: 120 - 140°C
Blow Mould Temperature: 35 - 65°C
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This forum published since July 03, 2002.
Renewed on June 22, 2005. |