Non-exhaustive list of important and common polymers.

Commodity polymers

PE (polyethylene)

PPr (polypropylene)

PVC (polyvinyl chloride)

PS (polystyrene)

Engineering polymers

ABS (acrylonitrile butadiene styrene)

PA (polyamide/nylon)

PBT (polybutylene terephthalate)

PC (polycarbonate/Lexan)

PEEK (polyetheretherketone)

PEK (polyetherketone)

POM (polyoxymethylene/Delrin)

PPS (polyphenylene sulfide)

PPO (polyphenylene oxide)

PSU (polysulphone)

PVDC (polyvinylidene chloride)

PU (polyurethane)

Elastomers

Isoprene

Butadiene

Polyisobutylene Chloroprene

Specialty polymers

MF (melamine formaldehyde)

PDK (polydiketoenamine)

PEI (polyetherimide/Ultem)

PF (phenolics or phenol formaldehyde)

PLA (polylactide)

PMMA (polymethyl methacrylate/Plexiglas)

PTFE (polytetrafluoroethylene/Teflon)

UF (urea formaldehyde)

Fibers

PET (polyethylene terephthalate/Dacron)

PAN (polyacrylonitrile/Orlon)

PPTA (polyphenylene terephthalamide) (polyaramid/Kevlar)

PBO (polybenzobisoxazole/Zylon)