TPU Wanhua Chemical WHT‑1190
TPU Wanhua Chemical WHT‑1190
TPU Wanhua Chemical WHT‑1190 is well‑balanced polyester‑based thermoplastic polyurethane elastomer. Thanks to balanced mechanical properties, excellent abrasion resistance, favorable elasticity, oil resistance and good processing adaptability, it finds wide‑ranging applications in many fields.
Main Applications
Footwear materials, hoses, cable sheaths, conveyor belts, automotive components, sealing parts and others.
Physical Properties
| Property Category | Item | Test Method | Typical Data | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ASTM D792 | 1.19‑1.20 | g/cm³ |
| Hardness | ASTM D2240 | 91‑92±2 | Shore A | |
| Mechanical Properties | Tensile strength | ASTM D412 | ＞35.0 | MPa |
| Elongation at break | ASTM D412 | 400‑440 | % | |
| 100% Modulus | ASTM D412 | 7.0‑9.00 | MPa | |
| 300% Modulus | ASTM D412 | 12.0‑20.0 | MPa | |
| Tear strength | ASTM D624 | 100‑115 | kN/m | |
| Abrasion loss | ASTM D1044 | 40 | mg | |
| Resilience | ASTM D1054 | 45 | % | |
| Thermal Properties | Glass transition temperature Tg | ASTM D3417 | ＜‑70 / ‑33.0 | ℃ |
| Low‑temperature softening temp. | ASTM D1053 | ‑44 | ℃ | |
| Long‑term Properties | Compression set (23℃,70h) | ASTM D395 | 33 | % |
| Compression set (70℃,24h) | ASTM D395 | 45 | % |
Processing Parameters
| Process | Parameter | Suggested Value | Unit | Remarks |
|---|---|---|---|---|
| Pre‑drying | Temperature | 90‑100 | ℃ | |
| Drying time‑Injection | 2‑3 | h | ||
| Drying time‑Extrusion | 3‑4 | h | ||
| Injection molding | Rear barrel temp. | 195 | ℃ | |
| Middle barrel temp. | 200 | ℃ | ||
| Front barrel temp. | 205 | ℃ | ||
| Nozzle temperature | 210 | ℃ | ||
| Mold temperature | 20‑50 | ℃ | Recommended | |
| Injection pressure | 70 | MPa | ||
| Extrusion molding | Zone‑1 temp. | 195 | ℃ | |
| Zone‑3 temp. | 200 | ℃ | ||
| Zone‑5 temp. | 205 | ℃ | ||
| Die temperature | 205 | ℃ | ||
| General processing temperature | — | 190‑205 | ℃ |
Note: All information above is for reference only!
