Polystone® PPs (Homopolymer) white
PP-H
Characteristics
- High stiffness
- Very good welding and processing properties
- Chemical resistance
- Flame retardant
Industries
Semiconductor Front-End applications- Semiconductor Front-End Wet Bench
Technical Specifications Polystone® PPs (Homopolymer) white
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Water Absorption (after 48 hrs) | ASTM D570 | % | 0.10 |
| Density | ASTM D792 | g / cm3 | 0.91 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Shore hardness | DIN EN ISO 868 | scale D | >67 |
| Hardness | ASTM D2240 | Shore D | 72 |
| Tensile Strength at yield 73°F | ASTM D638 | psi | 4700 |
| Izod Impact, Notched | ASTM D256 | ft-lb/in | 1 |
| Coefficient of Friction, Dynamic | 0.25-0.28 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Coefficient of Linear Thermal Expansion | ASTM D696 | in/in/°F x10-5 | 6 |
| Melting Point | °F | 323 | |
| Maximum Service Temperature, Air | °F | 180 | |
| Heat Deflection Temperature 264psi | ASTM D648 | °F | 210 |
| Flammability, UL94 | 1/8 inch | HB |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Dielectric constant | ASTM D150 | 1MHz | 2.4 |
| Dielectric strength | ASTM D149 | kV / mm | 45 |
| Surface resistivity | ASTM D257 | Ω/cm | >1014 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| FDA | Yes | ||
| NSF | No | ||
| USDA | Yes |
