Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst.Heat is not necessarily to be applied externally. Heat provides energy for chemical reactions that increase the cross-linking Such a material is also known as a thermoset or thermosetting polymer. View Answer. Q. With a number of benefits to thermosetting plastics vs. thermoplastics, the methods and materials fill an important role in the plastic fabrication industry.Within the class of thermosetting polymers, there are a number of different types of material that each serve unique purposes and applications. Revise with Concepts. Explain why the following are made of thermosetting plastics. VIEW MORE. 8. Due to this, saucepan handles are made of thermosetting plastic. Understand the Key Differences Between Thermoplastic and Thermosetting Plastic with detailed explanations and examples. Explain why the following are made of thermosetting plastics. View Answer. The heavily cross-linked structure produced by chemical bonds in thermoset materials is directly responsible for the high mechanical and physical strength compared with thermoplastics or elastomers. (a) Saucepan handles (b) Electric plugs/switches/plug boards ... State, whether the following statements are True or False. A thermosetting polymer, resin, or plastic, often called a thermoset, is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin. … Example of this kind of thermosetting is Melamine.b) Thermosetting plastics such as bakelite are poor conductor of heat and electricity. View Answer. View Answer. It resists fire and can tolerate heat better than other plastics. Thermosetting plastics are normally made up of lines of polymers which are highly cross-linked. Electric plugs/ switches/ switch boards Dear Student Electric plugs/ switches/ plug boards are sa Thermosetting Plastic - Thermosetting plastics are made up of long lines of molecules that are cross-linked. (a) Saucepan handles (b) Electric plugs/switches/plug boards. are made of thermoplastic materials or of thermosetting plastics. Explain why the following are made of thermosetting plastics. Electric plugs/switches/plug boards The bakelite is a thermosetting plastic. Answer: Melamine is a versatile material. It is used for making saucepan handles. Plastics which when moulded once, cannot be softened by heating. (a) Saucepan handles (b) Electric plugs/switches/plug boards. These are called thermosetting plastics. Saucepan handles Answer: Thermosetting plastic is fire-resistant and can withstand very high temperature. A thermosetting plastic is a polymer that irreversibly becomes rigid when heated. 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