Unitika U-100 Engineering Plastic
Manufacturer | Unitika |
Trade Name | |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Category Siloxane
Description
Material Notes:
CAS No: 26590-50-1Information provided by Unitika Ltd.
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.21 g/cc | 0.0437 lb/in³ | ASTM D792 |
Water Absorption | 0.26 %
@Thickness 3.17 mm,
Time 86400 sec |
0.26 %
@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 | 125 | 125 | ASTM D785 |
Tensile Strength at Break | 69.0 MPa | 10000 psi | ASTM D638 |
Elongation at Break | 60 % | 60 % | ASTM D638 |
Flexural Strength | 84.0 MPa | 12200 psi | ASTM D790 |
Flexural Modulus | 2.10 GPa | 305 ksi | ASTM D790 |
Compressive Yield Strength | 84.0 MPa | 12200 psi | ASTM D695 |
Izod Impact, Notched | 2.25 J/cm
@Thickness 3.17 mm
|
4.22 ft-lb/in
@Thickness 0.125 in
|
ASTM D256 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 61.0 µm/m-°C | 33.9 µin/in-°F | ASTM D696 |
Deflection Temperature at 1.8 MPa (264 psi) | 175 °C | 347 °F | ASTM D648 |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Transmission, Visible | 87 %
@Thickness 3.00 mm
|
87 %
@Thickness 0.118 in
|
ASTM D1003 |
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 | 39.0 kV/mm | 991 kV/in | ASTM D149 |
Arc Resistance | 130 sec | 130 sec | ASTM D495 |
Comparative Tracking Index | 220 V | 220 V |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Rear Barrel Temperature | 310 – 330 °C | 590 – 626 °F | |
Middle Barrel Temperature | 340 – 360 °C | 644 – 680 °F | |
Front Barrel Temperature | 350 – 370 °C | 662 – 698 °F | |
Nozzle Temperature | 350 – 370 °C | 662 – 698 °F | |
Mold Temperature | 120 – 140 °C | 248 – 284 °F | actual surface temp |
Drying Temperature | 140 °C | 284 °F | |
Dry Time | 6.00 – 24.0 hour | 6.00 – 24.0 hour | |
Back Pressure | 0.490 – 1.47 MPa | 71.1 – 213 psi | gage pressure |