Kotec Carbotex K-20UVR Polycarbonate, General Purpose, UV Stability + Mold Release Grade

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Kotec Carbotex K-20UVR Polycarbonate, General Purpose, UV Stability + Mold Release Grade
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, UV Stabilized
Material Notes:	Features: UV stability, Mold release, Low viscosity, Transparent Applications: OA equipment, Communications, Precision parts, Machineries, Lighting Covers, Safety products, E & E parts, Household applications, Leisure articles Information provided by Kotec Corporation
Key Words:	PC
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Water Absorption	0.20 % @Temperature 23.0 °C, Time 86400 sec	ASTM D570
Linear Mold Shrinkage, Flow	0.0050 - 0.0070 cm/cm	ASTM D995
Melt Flow	20 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	120
Tensile Strength at Break	63.0 MPa	ASTM D638
Elongation at Break	120 %	ASTM D638
Flexural Strength	85.0 MPa	ASTM D790
Flexural Modulus	2160 MPa	ASTM D790
Izod Impact, Notched	740 J/m @Temperature 23.0 °C	V-Notched 1/8"; ASTM D256

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	2.9 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	20.0 kV/mm	ASTM D149
Dissipation Factor	0.0090 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	110 sec	ASTM D495

Thermal Properties	Original Value	Comments
Heat Distortion Temperature	131 °C	ASTM D648
Flammability, UL94	V-2 @Thickness 1.60 mm

Optical Properties	Original Value	Comments
Refractive Index	1.58	ASTM D542
Haze	<= 1.0 % @Thickness 3.00 mm	ASTM D1003
Transmission, Visible	89 % @Thickness 3.00 mm	ASTM D1003

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PKOTEC004 / 93234

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