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Thermosets

Characteristics

QuestionAnswer
Epoxy Resins High strength when reinforced with fibres, good chemical and wear resistance. Uses-Surface coating, encapsulation = of electronic components, adhesives. Uses-Surface coating, encapsulation of electronic components.
Melamine formaldehyde Rigid, good strength and hardness, scratch-resistant, can be coloured. Uses-Tableware, decorative laminates for work surfaces.
Polyester resins Rigid, brittle, good heat and resistance. Uses-Casting used in glass re-inforced plastic (e.g. boat hulls and car body parts)
Urea Formaldehyde Rigid, hard, good strength, brittle, heat-resistant, good electrical insulator. Uses-Electrical fitting adhesives
They have fairly low melting temperatures ranging from 70 to 185˚c
They are Lightweight
They can be self-coloured, opaque..... Translucent or transparent (depending on the type of polymer and processing used)
Popular Agriculture sets

 

 



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