Sustadur® PET - ASTM
PET
Characteristics
- Very low moisture absorption
- Excellent creep behaviour
- Good sliding properties
- high tensile strength and stiffness
- Good machinability
- Low coefficient of thermal expansion
- Good dimensional stability
- Good wear resistance
Industries
Semiconductor Front-End Wet Bench- Semiconductor CMP
Technical Specifications Sustadur® PET - ASTM
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Density | ASTM D792 | g / cm3 | 1.41 |
| Water Absorption 24 hours | ASTM D570 | % | 0.07 |
| Dissipation Factor | ASTM D150 | 1MHz | 0.02 |
| Water Absorption Saturation | ASTM D570 | % | 0.7 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Hardness | ASTM D2240 | Shore D | 87 |
| Tensile Strength at yield 73°F | ASTM D638 | psi | 12000 |
| Tensile Modulus | ASTM D638 | psi | 460000 |
| Elongation at Break | ASTM D638 | % | 30 |
| Flexural Strength | ASTM D790 | psi | 17000 |
| Flexural Modulus | ASTM D790 | psi | 480000 |
| Compressive Strength | ASTM D695 | psi | 15000 |
| Rockwell Hardness | ASTM D785 | 93 | |
| Rockwell Hardness | ASTM D785 | R | 125 |
| Shear Strength | ASTM D732 | psi | 8000 |
| Izod Impact, Notched | ASTM D256 | ft-lb/in | 0.5 |
| Coefficient of Friction, Dynamic | 0.2 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Thermal Conductivity | in/hr/ft2 /°F | 1.8 | |
| Coefficient of Linear Thermal Expansion | ASTM D696 | in/in/°F x10-5 | 3.3 |
| Melting Point | ASTM D789 | °F | 490 |
| Continuous Service Temperature, Air | °F | 230 | |
| Deflection Temperature at 1.8Mpa (264psi) | ASTM D648 | °F | 240 |
| Deflection Temperature at 1.8Mpa (66psi) | ASTM D648 | °F | 338 |
| Flammability, UL94 | 1/8 inch | HB |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Dielectric constant | ASTM D150 | 1MHz | 3.1 |
| Dielectric strength | ASTM D149 | V/mil | 385 |
| Surface resistivity | ASTM D257 | Ohm/cm | >1013 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| FDA | Yes | ||
| NSF | No | ||
| USDA | Yes |
