Poly Alloy Etoma™ ET4205 PC with Carbon Black

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Poly Alloy Etoma™ ET4205 PC with Carbon Black
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Conductive
Material Notes:	Etoma ET4205 resin is a conductive compound base on polycarbonate with carbon black. The special formula offers excellent impact property and good melt flow rate. It can be used on the product which the ESD Electro Static Discharge is necessary. Information provided by Poly Alloy Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc	ASTM D792
Melt Flow	10 g/10 min @Load 1.20 kg, Temperature 300 °C	10 g/10 min @Load 2.65 lb, Temperature 572 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength	61.8 MPa	8960 psi	ASTM D638
Elongation at Break	9.0 %	9.0 %	ASTM D638
Flexural Strength	97.9 MPa	14200 psi	ASTM D790
Flexural Modulus	2.94 GPa	427 ksi	ASTM D790
Izod Impact, Notched	2.45 J/cm	4.59 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Surface Resistivity per Square	10000 ohm - 1e+05	10000 ohm - 1e+05	ASTM D257

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	120 °C	248 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	115 °C	239 °F	ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	255 - 270 °C	491 - 518 °F
Middle Barrel Temperature	260 - 280 °C	500 - 536 °F
Front Barrel Temperature	260 - 280 °C	500 - 536 °F
Nozzle Temperature	260 - 280 °C	500 - 536 °F
Mold Temperature	70.0 - 100 °C	158 - 212 °F
Drying Temperature	100 °C	212 °F
Dry Time	4.00 - 8.00 hour	4.00 - 8.00 hour
Shelf Life	24.0 Month	24.0 Month

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PPALLOY045 / 278324

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