Wetenschap
- Polyethyleen (PE):1.950 m/s (6.400 ft/s)
- Polypropyleen (PP):2.050 m/s (6.730 ft/s)
- Polyvinylchloride (PVC):2.250 m/s (7.380 ft/s)
- Polycarbonaat (PC):2.450 m/s (8.040 ft/s)
- Polyethyleentereftalaat (PET):2.550 m/s (8.370 ft/s)
- Polystyreen (PS):2.650 m/s (8.690 ft/s)
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