Ixom PROTEQ™ C16ST8 PP, 40% Talc Filled

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Ixom PROTEQ™ C16ST8 PP, 40% Talc Filled
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 40% Talc Filler
Material Notes:	PROTEQ™ C16ST8 is a medium flow 40% talc filled grade of polypropylene copolymer. PROTEQ™ C16ST8 highly heat stabilized for continuous service temperatures up to 120 deg C and is designed to meet the stringent performance requirements of automotive durability specifications. Typical applications are HVAC housings and engine compartment components. Information provided by Ixom Operations PTY LTD
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Physical Properties	Original Value	Comments

Density	1.24 g/cc	ASTM D792
Melt Flow	15 g/10 min @Load 2.16 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	72	instantaneous; ISO 868
	67 @Time 15.0 sec	ISO 868
Tensile Strength	29.0 MPa	12.7 mm x 3.2 mm @ 5.0 mm/min; ASTM D638
Elongation at Break	25 %	12.7 mm x 3.2 mm @ 5.0 mm/min; ASTM D638
Flexural Strength	38.0 MPa	12.7 mm x 3.2 mm @ 1.3 mm/min; ASTM D790
Flexural Modulus	2900 MPa	12.7 mm x 3.2 mm @ 1.3 mm/min; ASTM D790
Izod Impact, Notched	350 J/m	12.7 mm x 3.2 mm; ASTM D256
Izod Impact, Unnotched	50.0 J/m	12.7 mm x 3.2 mm; ASTM D256

Thermal Properties	Original Value	Comments
CTE, linear	70.0 µm/m-°C	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	132 °C	12.7 mm x 3.2 mm; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	70.0 °C	12.7 mm x 3.2 mm; ASTM D648
Flammability, UL94	HB @Thickness 1.60 mm
Glow Wire Ignition Temperature	550 °C @Thickness 1.60 mm	AS/NZS 60695
Shrinkage	0.90 %	3.0 mm plaque; ASTM D955

Processing Properties	Original Value	Comments
Rear Barrel Temperature	195 - 215 °C
Middle Barrel Temperature	205 - 225 °C
Front Barrel Temperature	215 - 235 °C
Melt Temperature	220 - 270 °C
Mold Temperature	50.0 - 80.0 °C
Drying Temperature	85.0 - 90.0 °C	Temperature of pellet bed
Dry Time	2.00 - 4.00 hour	at desired pellet bed
Injection Pressure	60.0 - 140 MPa
Back Pressure	0.100 - 0.500 MPa
Screw Speed	40 - 80 rpm

Descriptive Properties
Clamp pressure	3 - 6 kN/cm²

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