Mitsubishi Xantar® RX 2121 Polycarbonate

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Mitsubishi Xantar® RX 2121 Polycarbonate
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	A versatile thermoplastic resin that is suitable for a wide range of applications and can be converted using all common melt-processing techniques. Information provided by Mitsubishi Engineering Plastics Corporation.
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Physical Properties	Original Value	Comments

Density	1.34 g/cc
Melt Density	1.14 g/cc @Temperature 300 °C
Water Absorption	0.35 %
Viscosity Number	46 cm³/g	Limiting Viscosity Number
	50 cm³/g
Linear Mold Shrinkage, Flow	0.0060 cm/cm
Melt Flow	12 g/10 min @Load 1.20 kg, Temperature 300 °C	cm³/10 min Volumetric Rate

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	58.0 MPa
Elongation at Break	20 %
Elongation at Yield	6.0 %
Tensile Modulus	2500 MPa
Flexural Strength	85.0 MPa
Flexural Modulus	2600 MPa
Izod Impact, Notched (ISO)	65.0 kJ/m²

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm
Surface Resistance	>= 1.00e+15 ohm
Dielectric Constant	2.9 @Frequency 1e+6 Hz
	3.0 @Frequency 100 Hz
Dielectric Strength	29.0 kV/mm
Dissipation Factor	0.00066 @Frequency 100 Hz
	0.0092 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	65.0 µm/m-°C
Specific Heat Capacity	1.71 J/g-°C	melt
Thermal Conductivity	0.240 W/m-K	melt
Hot Ball Pressure Test	125 °C
Deflection Temperature at 1.8 MPa (264 psi)	130 °C
Vicat Softening Point	148 °C @Load 5.10 kg	rate 50°C/h
Flammability, UL94	V-0 @Thickness 2.00 mm
Oxygen Index	35 %
Glow Wire Ignition Temperature	825 °C @Thickness 1.50 mm
	850 °C @Thickness 3.00 mm
Glow Wire Flammability Index	960 °C @Thickness 1.50 mm
	960 °C @Thickness 3.00 mm

Processing Properties	Original Value	Comments
Melt Temperature	300 °C	As Tested; Injection
Mold Temperature	90.0 °C	As Tested; Injection
Ejection Temperature	144 °C

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PMITSU9311 / 191985

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