Black Polypropylene fittings for use with hot corrosive liquids, chemical processing, industrial plating, laboratory and industrial waste drainage systems, and waste treatment systems. Design Standards - Black polypropylene material conforms to ASTM D-4101 - Black polypropylene maximum service temperature is180° F • Black Polypropylene pipe available in schedule 40 and 80 wall thicknesses. Natural Polypropylene (Chem-Pure®) fittings for use with deionized water systems, clean chemical processes, pharmaceutical operations and food processing. Design Standards - Natural polypropylene (Chem-Pure) material conforms to ASTM D-4101, cell class PP0210-B45145 - Natural polypropylene (Chem-pure) maximum service temperature is 180° F. Chem-Pure® is a registered trademark of NIBCO INC.
