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TRENCHCOAT™ Protective Film
| Category: | Polyolefin, Unspecified , Polyolefin |
| Manufacturer: | The Dow Chemical Company |
| Trademark: | TRENCHCOAT™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | SgpsnA_TRENCHCOAT-Protective-Film.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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TRENCHCOAT™The protective film is a double-layer adhesive film used to be compounded with galvanized steel to make corrugated steel pipes. TRENCHCOAT film can be compounded on coil, flat plate or ribbon galvanized steel, and then made into corrugated steel pipes or other products of similar structure. This film provides anti-corrosion and anti-wear protection for steel. TRENCHCOAT products should only be processed by Dow-approved composite processors. When making composite TRENCHCOAT steel pipes into corrugated steel pipes or spiral rib pipes, care should be taken to minimize damage to the film. The protective layer shall be repaired in accordance with ASTM A 762/762M Note II and AASHTO (American Association of State Highway and Transportation Workers) M245 Note II. new experimental films are still under development. Please contact your Dow sales representative for your specific application. General features:
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| General Information | |
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| Appearance |
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| Forms |
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| Hardness | Nominal Value | Test Method | |
|---|---|---|---|
| Durometer Hardness (Shore D, 10 sec) | 46 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Coefficient of Friction | 0.55 | ASTM D1894 |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Film Thickness - Recommended / Available | 12.0 mil (0.30 mm) | Internal method | |
| secant modulus | ASTM D882 | ||
| MD | 161 | MPa | ASTM D882 |
| TD | 163 | MPa | ASTM D882 |
| Tensile Strength | ASTM D882 | ||
| MD : Fracture | 20.7 | MPa | ASTM D882 |
| TD : Fracture | 19.3 | MPa | ASTM D882 |
| Tensile Elongation | ASTM D882 | ||
| MD : Fracture | 470 | % | ASTM D882 |
| TD : Fracture | 490 | % | ASTM D882 |
| Elmendorf Tear Strength - MD | 2800 - 3200 | g | ASTM D1922 |
| Film width | 254 - 1520 | mm | Internal method |
| Yield (25.4 µm) | 41.5 | m²/kg | Internal method |
| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| Lamination peak metal temperature | 177 - 232 | °C |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Dielectric Strength | 87 | kV/mm | ASTM D149 |
| Additional Information |
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| 耐受大多数酸碱，ASTM D1308，1400 小时，73°F：无变化不透性，ASTM A742，48 小时，试剂暴露：无变化耐受潮湿 SO2 侵袭，Kesternich DIN 50018.2.OL，40 个循环：无侵袭或粘接损失盐雾额定值：ASTM B117，1000 小时：最低 8Cleveland 冷凝湿度箱，ASTM D2247，暴露 6 个月，130°F：无侵袭或粘接损失耐气候性，ASTM D3361，3000 小时：无开裂或分层 |
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