Patent ID: 8569436

Claim:
A pipe composition consisting of: (a) 80 to 99 weight percent of polyvinyl chloride; (b) 0.001 to 1.5 weight percent of one or more heat stabilizers; (c) 0.1 to 5 weight percent of one or more C 6 to C 32 linear, branched or cyclic alkyl, alkenyl, aryl, aralkyl or alkaryl carboxylic acids, corresponding C 1 to C 4 alkyl esters and/or metal salts thereof; (d) 0.1 to 5 weight percent of one or more waxes; (e) 0.1 to 5 weight percent of one or more UV stabilizers; (f) 0.001 to 1 weight percent of one or more processing aids; (g) 0.1 to 2 weight percent of one or more fillers; and (h) optionally, up to 2 weight percent of one or more pigments, based upon total weight of the pipe composition.