Spartech EP5240 Calcium Carbonate Filled Homopolymer

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Spartech EP5240 Calcium Carbonate Filled Homopolymer
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 40% Calcium Carbonate (CaCO3) Filler
Material Notes:	Provides the highest level of stiffness and heat resistance of filled olefins. Calcium Carbonate filled grades offer an excellent balance of stiffness and impact resistance. Typical applications include extrusion/thermoformed food containers, and profile extruded and blown molded structural parts. Information provided by Spartech
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Physical Properties	Metric	English	Comments

Specific Gravity	1.25 g/cc @Temperature 22.8 °C	1.25 g/cc @Temperature 73.0 °F	ASTM D792
Filler Content	40 %	40 %
Linear Mold Shrinkage	0.011 cm/cm	0.011 in/in	0.125inch wall

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	24.8 MPa	3600 psi	ASTM D638
Elongation at Break	70 %	70 %	ASTM D638
Elongation at Yield	5.0 %	5.0 %	ASTM D638
Flexural Modulus	0.241 GPa	35.0 ksi	tangent; ASTM D790
	1.86 GPa	270 ksi	secant; ASTM D790
Izod Impact, Notched	0.587 J/cm @Temperature 22.8 °C	1.10 ft-lb/in @Temperature 73.0 °F	ASTM D256
Gardner Impact	4.07 J @Temperature -5.56 °C	3.00 ft-lb @Temperature 22.0 °F	ASTM D5420
	27.1 J @Temperature 22.8 °C	20.0 ft-lb @Temperature 73.0 °F	ASTM D5420

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	116 °C	240 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	60.0 °C	140 °F	ASTM D648

Optical Properties	Metric	English	Comments
Gloss	55 %	55 %	60°; ASTM D523

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PSPAR128 / 78750

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