| http://www.w3.org/ns/prov#value | - Still further encompassed within this invention is a nucleating agent which exhibits a nucleation effectiveness factor (NEF) of greater than 0.06 in a test homopolymer polypropylene formulation having a density of about 0.9 g/cc, a melt flow of about 12 g/l 10 min, a Rockwell Hardness (R scale) of about 90, a tensile strength of about 4,931 psi, an elongation at yield of about 10%, a flexural modu
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