Washington Penn Medium Impact Copolymer 50% Calcium Carbonate Filled

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Washington Penn Medium Impact Copolymer 50% Calcium Carbonate Filled
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 50% Calcium Carbonate
Material Notes:	Calcium carbonate-filled polypropylene compounds have been tailored specifically to meet the requirements of each of the major automobile producers. Grades are available to meet FDA food and drug packaging requirements. These products have excellent mold detail and surface reproduction with fast set-up times. They are also available in an array of colors. Information provided by Washington Penn Plastic Co.
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Physical Properties	Original Value	Comments

Density	1.36 g/cc	ASTM D792
Filler Content	50 %

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	2250 psi	ASTM D638
Elongation at Break	235 %	ASTM D638
Elongation at Yield	4.5 %	ASTM D638
Flexural Modulus	340 ksi	Tangent; ASTM D790
Flexural Modulus, 1% Secant	300 ksi	ASTM D790
Izod Impact, Notched	2.20 ft-lb/in	ASTM D256
Gardner Impact	168 in-lb @Temperature 23.0 °C	ASTM D5420

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	200 °F	ASTM D648

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PWPP23 / 72806

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