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| Q. |
The material which can be deformed permanently by heat and pressure is called a: |
| A. | Thermoplastic |
| B. | Thermoset |
| C. | Chemical compound |
| D. | Polymer |
| Answer» B. Thermoset | |
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Explanation: Thermoset materials are those materials that are made by polymers joined together by chemical bonds, acquiring a highly cross linked polymer structure. They cannot melt. |
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