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Polypropylene provides
excellent resistance to organic solvents, degreasing agents and
electrolytic attack. It has a lower impact strength, but its working
temperatures and tensile strength are superior to low or high density
polyethylene. It is light in weight, resistant to staining, and has a
low moisture absorption rate.
This is a tough,
heat-resistant, semi-rigid material, ideal for the transfer of hot
liquids or gases. It is recommended for vacuum systems and where
higher heats and pressures are encountered. It has excellent
resistance to acids and alkalines.
At present there is no
transparent polypropylene, however it becomes translucent at lower
thicknesses
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