DME University

Engineering Grade Resins And Their Uses

Generic Name:Polycarbonate
Acronym:PC
Trade Names:Lexan, Merlon
Attributes:High impact strength
Transparent
Self-extinguishing
Attacked by solvents
Uses:Switches
Appliance/Tool housings
Automobile instrument panels
Bullet proof glass
Helmets
Generic Name:Nylon
Acronym:PA
Trade Names:Zytel, Wellamid, Capron
Attributes:Tough
Self-lubricating
Chemical resistant
Absorbs moisture
Dimensionally unstable
Costly
Uses:Fiber/Strands (Carpets)
Gears/Sprockets
Cooling fans
Bearings
Combs
Valves
Generic Name:Acetal
Acronym:POM
Trade Names:Celcon, Delrin
Attributes:Rigid with hard surface (Wear resistant)
Dimensionally stable
High chemical resistance
Moisture resistance
High UV degradation
Will release toxic formaldehyde gas if overheated/degraded
Uses:Gears/Rollers/Bearings
Plumbing fixtures
Pump parts
Generic Name:Acrylic
Acronym:PMMA
Trade Names:Plexiglass, Lucite, Acrylite
Attributes:High transparency (92%)
Great weatherability
Good electrical insulator
Stress cracks easily
Uses:Lenses/Optics
Outdoor signs
Auto lenses/covers
Aircraft windshields
Paint (Emulsion form)

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