Polypropylene: Excellent chemical resistance to most acids, alkalies and many solvents, handles temperatures to 200°F (93.3°C), easily cut and shaped with common hand tools, excellent resistance to chemical stress cracking, abrasions and failure from flexing. Colors are white, natural, black and blue.
Chlorinated Polyethylene
Very durable material; resistance to heat, oxidation, and ozone; excellent weatherability.