| About |
|---|
| PEARLCOAT® 168K is a polyether-based TPU, supplied in form of translucent, colourless pellets, offering adequate hardness, excellent low-temperature flexibility and very good hydrolysis resistance. PEARLCOAT® D168K is used in melt coatings on textile substrates, for end-uses in industrial coatings (for life-jackets, etc.) obtained by extrusion and calendering.&& |
| Product Description | |
|---|---|
| Supplier | Lubrizol Advanced Materials |
| Generic | TPU-醚 |
| Material Status | Commercial: Active |
| Features | Hydrolysis stability,Low temperature toughness |
| Availabilitys | North America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.11 | g/cm³ | DIN 53479 , ASTM D792 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 25.0 | MPa | DIN 53504 , ASTM D412 |
| 100% strain | 5.00 | MPa | DIN 53504 , ASTM D412 |
| 300% strain | 7.50 | MPa | DIN 53504 |
| 300% strain | 7.52 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 650 | % | DIN 53504 , ASTM D412 |
| tear strength | |||
| — | 75.0 | kN/m | DIN 53515 |
| — | 75.3 | kN/m | ASTM D624 |
| Compression deformation | DIN 53504 | ||
| 23℃，70 hr | 25 | % | DIN 53504 |
| 70℃，24 hr | 35 | % | DIN 53504 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -49.0 | ℃ | DIN 51007 |
| Melting temperature | 150 to 160 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 82 | DIN 53505 , ASTM D2240 | |
| Wear amount | 25.0 | mm³ | DIN 53516 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 99 to 110 | °C | |
| Drying time | 2.0 | hr | |
| Barrel 1 zone temperature | 150 to 160 | °C | |
| Barrel 2 zone temperature | 160 to 170 | °C | |
| Barrel 3 zone temperature | 170 to 180 | °C | |
| Barrel 4 zone temperature | 175 to 185 | °C | |
| Nozzle temperature | 175 to 185 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. Temperature at which MFI = 10 g/10 min @ 21.6 kg |
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