Thermosetting plastic

Thermosetting plastics are plastics that are formed under heat and cannot then be reshaped, due to polymer cross linking between the fibres.

They do not soften under heat which is used to good effect as a functional property.

List of some thermosetting plastics:

• Bakelite (electrical insulators and plastic wear)
• Urea formaldehyde (used in electrical fittings)
• Melamine formaldehide (used on worktop surfaces)
• Epoxy resin (used as an adhesive and in Glass Reiforced Plastic/Fibreglass)

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