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Unitika U-8400H

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:
U series resins are polymer alloys that are improved in resistance to oils and chemicals, the shortcoming of amorphous resins. They are transparent and have a greater moisture blocking property than other resins having similar structures. They are also suitable for blow molding.Characteristics:Transparent, resistant to chemicals, especially to oils, alcohols and others Weather Resistance Blended into PET resins for improvement in heat resistance.Information provided by Unitika Ltd.
Physical Properties Metric English Comments
Density 1.28 g/cc
0.0462 lb/in³
ASTM D792
Water Absorption 0.12 %

@Thickness 3.17 mm,
Time 86400 sec
0.12 %

@Thickness 0.125 in,
Time 24.0 hour
ASTM D570
Linear Mold Shrinkage, Flow 0.0080 cm/cm

@Thickness 3.00 mm
0.0080 in/in

@Thickness 0.118 in
Mechanical Properties Metric English Comments
Hardness, Rockwell R 120
120
ASTM D785
Tensile Strength at Break 88.0 MPa
12800 psi
ASTM D638
Elongation at Break 170 %
170 %
ASTM D638
Flexural Strength 95.0 MPa
13800 psi
ASTM D790
Flexural Modulus 2.50 GPa
363 ksi
ASTM D790
Compressive Strength 80.0 MPa
11600 psi
ASTM D695
Izod Impact, Notched 0.690 J/cm

@Thickness 3.17 mm
1.29 ft-lb/in

@Thickness 0.125 in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 64.0 µm/m-°C
35.6 µin/in-°F
ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 95.0 °C
203 °F
ASTM D648
Electrical Properties Metric English Comments
Volume Resistivity 2.00e+14 ohm-cm
2.00e+14 ohm-cm
ASTM D257
Dielectric Constant 3.0

@Frequency 1.00e+6 Hz
3.0

@Frequency 1.00e+6 Hz
ASTM D150
Dielectric Strength 30.0 kV/mm
762 kV/in
ASTM D149
Dissipation Factor 0.010

@Frequency 1.00e+6 Hz
0.010

@Frequency 1.00e+6 Hz
ASTM D150
Arc Resistance 120 sec
120 sec
ASTM D495
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 50.0 - 70.0 °C
122 - 158 °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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