Unitika PT-3020
| Manufacturer | Unitika |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
Category Siloxane
Description
Material Notes:
Characteristics: Dimensional accuracy (planarity) Heat resistance Creep resistance and elasticity RigidityInformation provided by Unitika Ltd.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.36 g/cc | 0.0491 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 | 0.0030 – 0.0040 cm/cm
@Thickness 3.00 mm
|
0.0030 – 0.0040 in/in
@Thickness 0.118 in
|
|
| Linear Mold Shrinkage, Transverse | 0.0040 – 0.0050 cm/cm
@Thickness 3.00 mm
|
0.0040 – 0.0050 in/in
@Thickness 0.118 in
|
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 67.0 MPa | 9720 psi | ASTM D638 |
| Elongation at Break | 6.0 % | 6.0 % | ASTM D638 |
| Flexural Strength | 111 MPa | 16100 psi | ASTM D790 |
| Flexural Modulus | 3.80 GPa | 551 ksi | ASTM D790 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 35.0 – 40.0 µm/m-°C | 19.4 – 22.2 µin/in-°F | ASTM D696 |
| Deflection Temperature at 1.8 MPa (264 psi) | 165 °C | 329 °F | ASTM D648 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Rear Barrel Temperature | 290 – 310 °C | 554 – 590 °F | |
| Middle Barrel Temperature | 320 – 340 °C | 608 – 644 °F | |
| Front Barrel Temperature | 330 – 350 °C | 626 – 662 °F | |
| Nozzle Temperature | 330 – 350 °C | 626 – 662 °F | |
| Mold Temperature | 110 – 130 °C | 230 – 266 °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 |