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Texin® 250
| Category: | TPU-Polyester , Thermoplastic Polyurethane Elastomer (Polyester) |
| Manufacturer: | Covestro - PUR |
| Trademark: | Texin® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 11aG8H_Texin-250.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| Texin 250 resin is an aromatic polyester-based thermoplastic polyurethane with a Shore hardness of approximately 50D. It is processed primarily by extrusion and blow molding but can also be used for injection molding. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.22 | g/cm³ | ASTM D792, ISO 1183 |
| Molding Shrinkage | |||
| Flow : 2.54mm | 0.80 | % | ASTM D955 |
| Transverse flow : 2.54mm | 0.80 | % | ASTM D955 |
| Vertical flow direction : 2.54mm | 0.80 | % | ISO 2577 |
| Flow direction : 2.54mm | 0.80 | % | ISO 2577 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness | ASTM D2240, ISO 868 | ||
| Shaw A | 95 | ASTM D2240, ISO 868 | |
| Shaw D | 50 | ASTM D2240, ISO 868 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flexural Modulus | ASTM D790, ISO 178 | ||
| 23°C | 83.0 | MPa | ASTM D790, ISO 178 |
| 70°C | 36.0 | MPa | ASTM D790, ISO 178 |
| Taber Abrasion Resistance | |||
| 1000 Cycles, 1000g, H-18 wheel | 70.0 | mg | ISO 4649 |
| 1000 Cycles, 1000g, H-18 wheel | 70.0 | mg | ASTM D1044 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress | ASTM D412, ISO 37 | ||
| 100% strain | 11.7 | MPa | ASTM D412, ISO 37 |
| 300% strain | 31.7 | MPa | ASTM D412, ISO 37 |
| Tensile Strength (Yield) | 46.2 | MPa | ASTM D412, ISO 37 |
| Tensile Elongation (Break) | 400 | % | ASTM D412, ISO 37 |
| Tear Strength | |||
| -- 1 | 136 | kN/m | ASTM D624 |
| -- | 140 | kN/m | ISO 34-1 |
| Compression Set 2 | ASTM D395B, ISO 815 | ||
| 23°C, 22 hr | 15 | % | ASTM D395B, ISO 815 |
| 70°C, 22 hr | 35 | % | ASTM D395B, ISO 815 |
| Bayshore Resilience | 25 | % | ASTM D2632 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Glass Transition Temperature | -20.0 | °C | DMA |
| Vicat Softening Temperature | 115 | °C | ISO 306/A50, ASTM D1525 3 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature - Desiccant Dryer | 93.0 - 104 | °C | |
| Drying Time - Desiccant Dryer | 2.0 | hr | |
| Suggested Max Moisture | 0.030 | % | |
| Suggested Max Regrind | 20 | % | |
| Rear Temperature | 190 - 210 | °C | |
| Middle Temperature | 190 - 215 | °C | |
| Front Temperature | 200 - 220 | °C | |
| Nozzle Temperature | 205 - 225 | °C | |
| Processing (Melt) Temp | 205 - 215 | °C | |
| Mold Temperature | 15.0 - 40.0 | °C | |
| Injection Pressure | 41.4 - 103 | MPa | |
| Injection Rate | Slow-Moderate | ||
| Back Pressure | < 1.38 | MPa | |
| Screw Speed | 40 - 80 | rpm | |
| Cushion | 3.18 | mm |
| Injection instructions |
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| Hold Pressure: 60 to 80% of Injection Pressure |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 93.0 - 104 | °C | |
| Drying Time | 2.0 | hr | |
| Cylinder Zone 1 Temp. | 180 - 200 | °C | |
| Cylinder Zone 3 Temp. | 180 - 205 | °C | |
| Cylinder Zone 5 Temp. | 180 - 210 | °C | |
| Melt Temperature | 190 - 205 | °C | |
| Die Temperature | 185 - 210 | °C |
| Note Message | |
|---|---|
| 1 . | C mould |
| 2 . | Post-cured 16 hr at 230°F |
| 3 . | 速率 A (50°C/h), 压 力1 (10N) |
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|---|---|---|---|
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