Polyethylene (PE) – Wide range of inexpensive uses including supermarket bags, plastic bottles.

High-density polyethylene (HDPE) – Detergent bottles, milk jugs, and molded plastic cases.

Polyvinyl chloride (PVC) – Plumbing pipes and guttering, shower curtains, window frames, flooring.

Low-density polyethylene (LDPE) – Outdoor furniture, siding, floor tiles, shower curtains, clamshell packaging.

Polypropylene (PP) – Bottle caps, drinking straws, yogurt containers, appliances, car fenders (bumpers), plastic pressure pipe systems.

Polystyrene (PS) – Packaging foam/"peanuts", food containers, plastic tableware, disposable cups, plates, cutlery, CD and cassette boxes.

High impact polystyrene (HIPS) -: Refrigerator liners, food packaging, vending cups.

Polyamides (PA) (Nylons) – Fibers, toothbrush bristles, tubing, fishing line, low strength machine parts: under-the-hood car engine parts or gun frames.

Acrylonitrile butadiene styrene (ABS) – Electronic equipment cases (e.g., computer monitors, printers, keyboards), drainage pipe.

Polyethylene/Acrylonitrile Butadiene Styrene (PE/ABS) – A slippery blend of PE and ABS used in low-duty dry bearings.

Polycarbonate (PC) – Compact discs, eyeglasses, riot shields, security windows, traffic lights, lenses.

Polycarbonate/Acrylonitrile Butadiene Styrene (PC/ABS) – A blend of PC and ABS that creates a stronger plastic. Used in car interior and exterior parts, and mobile phone bodies.

Polyurethanes (PU) – Cushioning foams, thermal insulation foams, surface coatings, printing rollers (Currently 6th or 7th most commonly used plastic material, for instance the most commonly used plastic in cars).

Special options can be added into plastic materials.

Plastic can be a strong as steel by adding the following to a material. Impact modifier, Glass Fiber reinforcement and Mineral reinforcement.

depending on material and or quality of steel mould life in plastic can vary from 250,000 shots to 1,250,000