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Unitika UM-8430RG

Category Polymer , Thermoplastic , Polyarylate
Manufacturer Unitika
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Characteristics: High dimensional accuracy (circularity and planarity) Large warping resistance Low linear expansion coefficientInformation provided by Unitika Ltd.
Physical Properties Metric English Comments
Density 1.51 g/cc
0.0546 lb/in³
ASTM D792
Linear Mold Shrinkage, Flow 0.0030 cm/cm

@Thickness 3.00 mm
0.0030 in/in

@Thickness 0.118 in
Mechanical Properties Metric English Comments
Hardness, Rockwell R 116
116
ASTM D785
Tensile Strength at Break 63.0 MPa
9140 psi
ASTM D638
Elongation at Break 16 %
16 %
ASTM D638
Flexural Strength 106 MPa
15400 psi
ASTM D790
Flexural Modulus 4.30 GPa
624 ksi
ASTM D790
Izod Impact, Notched 0.430 J/cm

@Thickness 3.17 mm
0.806 ft-lb/in

@Thickness 0.125 in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 23.0 µm/m-°C
12.8 µin/in-°F
ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 100 °C
212 °F
ASTM D648
Electrical Properties Metric English Comments
Volume Resistivity 5.00e+13 ohm-cm
5.00e+13 ohm-cm
ASTM D257
Dielectric Strength 17.0 kV/mm
432 kV/in
ASTM D149
Processing Properties Metric English Comments
Rear Barrel Temperature 230 - 250 °C
446 - 482 °F
Middle Barrel Temperature 240 - 260 °C
464 - 500 °F
Front Barrel Temperature 250 - 270 °C
482 - 518 °F
Nozzle Temperature 250 - 270 °C
482 - 518 °F
Mold Temperature 70.0 - 90.0 °C
158 - 194 °F
actual surface temp
Drying Temperature 100 °C
212 °F
Dry Time 10.0 - 24.0 hour
10.0 - 24.0 hour
Back Pressure 0.490 - 1.47 MPa
71.1 - 213 psi
gage pressure
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