polymers

Polyethylene (PE)

Thermoplastic - Used in plastic bags, bottles; lightweight and flexible

Polypropylene (PP)

Thermoplastic - Used in food containers, ropes; tough and chemical-resistant

Polyvinyl chloride (PVC)

Thermoplastic - Used in pipes, window frames; hard or flexible and durable

Polystyrene (PS)

Thermoplastic - Used in packaging, disposable cups; lightweight and brittle

Acrylic (PMMA)

Thermoplastic - Used in Perspex, signs, windows; clear, rigid, scratch-resistant

High-impact polystyrene (HIPS)

Thermoplastic - Used in toys, appliances; tougher than standard PS

Epoxy resin

Thermosetting polymer - Used in adhesives, coatings, electronics; strong and chemical-resistant

Melamine formaldehyde (MF)

Thermosetting polymer - Used in tableware, laminates; hard and heat-resistant

Phenol formaldehyde (Bakelite)

Thermosetting polymer - Used in electrical switches, handles; very hard and heat-resistant

Urea formaldehyde (UF)

Thermosetting polymer - Used in electrical fittings, adhesives; brittle but heat-resistant

Polyester resin

Thermosetting polymer - Used in boat hulls, car bodies; strong and lightweight