Samyang Trirex® 3025I Polycarbonate

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Samyang Trirex® 3025I Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Optical Grade
Material Notes:	TRIREX® polycarbonate resins offer superior transparency, mechanical properties, good dimensional stability and high electrical performance, which allows it to be widely used for electrical, electronic, appliance, automotive and optical industries. Characteristics: Medium viscosity Ice clear type Applications: Injection molding for general purpose uses All information provided by Samyang
Key Words:	PC
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Water Absorption	0.15 % @Time 86400 sec	ASTM D570
Linear Mold Shrinkage	0.0050 - 0.0070 cm/cm @Thickness 3.00 mm	ASTM D955
Melt Flow	10 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	120	ASTM D785
Tensile Strength, Yield	710 kg(f)/cm²	ASTM D638
Elongation at Break	120 %	ASTM D638
Flexural Yield Strength	880 kg(f)/cm²	ASTM D790
Flexural Modulus	21000 kg(f)/cm²	ASTM D790
Izod Impact, Unnotched	90.0 kg-cm/cm @Thickness 3.17 mm	ASTM D256

Electrical Properties	Original Value	Comments
Volume Resistivity	4.00e+16 ohm-cm	ASTM D257
Dielectric Constant	2.85 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	30.0 kV/mm	ASTM D149
Dissipation Factor	0.0092 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	120 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	56.0 µm/m-°C	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	146 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	135 °C	ASTM D648
Flammability, UL94	V-2 @Thickness 1.59 mm

Processing Properties	Original Value	Comments
Rear Barrel Temperature	280 - 300 °C
Middle Barrel Temperature	280 - 300 °C
Front Barrel Temperature	280 - 300 °C
Nozzle Temperature	290 - 310 °C
Melt Temperature	300 - 310 °C
Drying Temperature	120 °C
Dry Time	3 - 5 hour
Moisture Content	<= 0.020 %
Screw Speed	30 - 80 rpm

**
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