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Hole machining is a fundamental operation in mold manufacturing. Common methods include drilling, core drilling, reaming, boring, grinding, and lapping. This article covers the first three: drilling, ...
Thermoplastic Urethane (TPU) is a kind of elastomer that can be plasticized by heating and dissolved by solvent. It has excellent comprehensive properties such as high strength, high toughness, wear resistance, oil resistance, and is widely used in national defense, medical treatment, food and other industries. TPU plastic has excellent wear resistance, more than five times wear-resistant than natural rubber, and is one of the preferred materials for wear-resistant products.
 TPU | Elastollan® 1175 A W | Elastollan® 1170 A 11 U 000 | Desmopan 5377A | Estane® T470A | Unit | Testing Standard |
| Data sheet | Click to Download | Click to Download | Click to Download | Click to Download | ||
| Manufacturer | BASF | BASF | Bayer | Lubrizol | ||
| Description | It has remarkable hydrolysis resistance, low temperature flexibility and microbial resistance. It can be used for injection molding and extrusion processing. | Plasticizer-free.UV-stabized Thermoplastc Polyether-Polvurethane with outstanding hydrolysis resistance, low temperature flexibility and high resistance to micro-organisms. | Extrusion and injection grades with improved antimicrobial and hydrolysis resistance | Estane® T470A is a Shore 77A, polyester grade, plasticizer-free, with low hardness thermoplastic polyurethane (TPU). | ||
| Appearance | Natural color | Natural color | Natural color | Natural color | ||
| UL Yellow Card | / | / | / | / | ||
| Physical | Dry | Dry | Dry | Dry | Unit | Test Method |
| Density | 1.14 | 1.08 | 1.14 | 1.13 | g/cm³ | ISO 1183 |
| Hardness | Dry | Dry | Dry | Dry | Unit | Test Method |
| Shore hardness | 75 | 71 | 77 | 77 | Shore A | ISO 7619-1 (3s) |
| Mechanical | Dry | Dry | Dry | Dry | Unit | Test Method |
| Tensile strength | 40 | 30 | 26(acc.ISO 5217-1,-3 ) | 280 (kgf/cm², ASTM D412 ) | MPa | DIN 53504-S2 |
| Elongation at break | 700 | 800 | 740(acc.ISO 5217-1,-3 ) | 900 | % | DIN 53504-S2 |
| Stress at 20%strain | 2 | 1.4 | / | / | MPa | DIN 53504-S2 |
| Stress at 100%strain | 4 | 3.4 | 4(acc.ISO 5217-1,-3 ) | 36 (kgf/cm², ASTM D412 ） | MPa | DIN 53504-S2 |
| Stress at 300%strain | 8 | 6.2 | 7(acc.ISO 5217-1,-3 ) | 60 (kgf/cm², ASTM D412 ） | MPa | DIN 53504-S2 |
| Abrasion resistance | 45 | 50 | 80 | / | mm³ | N ISO 4649 |
| Impact | Dry | Dry | Dry | Dry | Unit | Test Method |
| Notched Charpy Impact Strength(23°C) | NO Break | / | / | / | KJ/m2 | ISO 179-1 |
| Thermal | Dry | Dry | Dry | Dry | Unit | Test Method |
| Vicat Softening Temperature | / | / | / | 77 | °C | ASTM D1525 |
| Flammability | Dry | Dry | Dry | Dry | Unit | Test Method |
| Flame Rating | V0 / V2 | / | / | / | class | UL94 |
