Kostat 1940 Conductive PC Compound

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Kostat 1940 Conductive PC Compound
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	KOSTAT 1940 is a conductive thermoplastic compound based on Polycarbonate and a special carbon fiber. KOSTAT 1940 is not dependant on atmospheric conditions and is used for ESD injection molded products. Special Features This product exhibits high conductivity, easy processing, smooth sheet surface, and tight dimensional tolerances after injection molding. This makes KOSTAT 1940 suitable for various injection molding applications. Applications: KOSTAT 1940 is recommended for electronics packaging such as ESD Trays and other injection molded products.
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Physical Properties	Original Value	Comments

Specific Gravity	1.34 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	120	ASTM D785
Tensile Strength, Yield	110 MPa	ASTM D638
Elongation at Break	5.0 %	ASTM D638
Flexural Strength	160 MPa	ASTM D790
Flexural Modulus	7.95 GPa	ASTM D790
Izod Impact, Notched	90.0 J/m	ASTM D256

Electrical Properties	Original Value	Comments
Volume Resistivity	1000 ohm-cm	Kostat Rv
Surface Resistivity per Square	10000 ohm	Kostat Rs

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	132 °C	ASTM D648

Processing Properties	Original Value	Comments
Rear Barrel Temperature	280 °C
Middle Barrel Temperature	290 °C
Front Barrel Temperature	300 °C
Nozzle Temperature	290 °C
Mold Temperature	80.0 °C

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PKOSTAT23 / 49058

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