GM Service Manual Online
For 1990-2009 cars only

Identifying Symbol - Old Symbol in ( )'s

Chemical Composition or Plastic Family Name

Typical Area(s) Where Part is Used

Examples of Common/Trade Names

Type of Plastic

ABS

Acrylonitrile/ Butadiene-Styrene

Armrest Support, Console, IPC, Steering Column Bracket/Jacket, Trim Molding

ABS, Absafil, Magnum, Cycolac, Dyel, Kralastic, Lustran

Thermoplastic

ABS + PC

Acrylonitrile/ Butadiene-Styrene + Polycarbonate

Instrument Panel, IPC

Bayblend, Cycoloy, KHA, Pulse

Rigid

ABS/PVC

ABS/Vinyl (Soft)

Head Rest Cover, Instrument Panel Pad, Trim Molding/Panel

ABS Vinyl

Flexible, Vinyl

EPDM

Ethylene Propylene Diene Monomer

Body Panel, Bumper Impact Strip

EPDM, Nordel

Rigid

EVA (EVAC)

Ethylene/Vinyl Acetate

Head Rest Cover, Misc Soft Trim

Elvax, Microthane

Flexible

PA

Polyamide

Headlamp Bezels, Quarter Panel Extensions, Exterior Finish Trim Panels

Nylon, Capron, Zytel, Rilsan, minion, Vydyne, Welland

Rigid

PA, PAG, PAGG

Polyamide

Exterior Finish Trim Panel, Headlamp Bezel, Quarter Panel Extension

Capron, Minlon, Nylon, Rilsan, Vydyne, Wellamid, Zytel

Rigid, Thermoset

PA + PPE

Polymide + Polypheneylene Ether

Exterior Trim, Fender

GTX

Rigid, Thermoset

PBT + TEEE (PBTP + EEBC)

Polybutylene, Terephthalate + Ether, Ester Block Compound

Fascia, Rocker Panel Molding

Bexloy M

Rigid

PC

Polycarbonate

Interior Rigid/Hard Trim Panel, Valance Panel

Calibre, Lexan, Merlon, Makrolon

Rigid, Thermoset

PC + PETP

Polycarbonate + Polybutylene, Terephthalate

Bumper Fascia

Macroblend, Valox, Xenoy

Flexible, Thermoset

PE

Polyethylene

Fuel Tank Shield, Inner Fender Panel, Interior Trim Panel, Seat Belt Cover, Spoiler, Valance

Alathon, Dylan, Foriflex, Hi-fax, Hosalen, Marlex, Paxon

Rigid, Thermoplastic

PF

Phenol Formaldehyde

Ashtray

Amberol, Bakelite, Durez, Genal, Phenolic, Plyophen, Resinox

Rigid, Thermoset

PP

Polypropylene

Bumper Fascia, Cowl Panel, Deflector Panel, Door Panel, Inner Fender, Interior Molding, Kick Panel, Load Floor, Radiator Shroud, Wheel Cover

Azdel, Daplen, Escorene, Marlex, Novolen, Oleflo, Profax, Tenite

Flexible, Thermoplastic

PPE (PPO)

Polyphenylene Ether

Bezels, Chromed Plastic, Headlamp Door, Ornaments

Noryl, Oleflo, Prevex

Rigid, Thermoset

PS

Polystyrene

Dash Panel, Door Panel

Durathon, Dylan, Lustrex, Polystyrol, Styron

Flexible, Soft

PUR

Polyurethane, Thermoset (Unsaturated)

Bumper Fascia, Filler Panel, Front/Rear Body Panel, Pickup Box

Bayflex, Castethane, RIM, RRIM, SRIM

Thermoset

PVC

Polyvinyl Chloride (Vinyl)

Interior Soft Trim, I/P Skins, Roof Cover

Geon, Pliovic, Unichem, Vinoflex, Vinyl, Vinylite

Flexible, Vinyl

SAN (SA)

Styrene Acrylonitrite

Center Console, Glove Box Door, Interior Trim Panel

Foracryl, Lustran, Tyril

Rigid

TEO (EP, EPM, TPO)

Ethylene/Propylene (Rubber)

Air Dam, Bumper Fascia, Valance Panel

EPI, EPII, TPO, TPR (Thermoplastic Rubber)

Flexible, Thermoplastic

TPO

Thermal Plastic Oletin

Bumper Covers

TPO

Flexible, Thermoplastic

TPU (TPUR)

Polyurethane, Polyolefin

Bumper Fascia, Gravel Deflector, Soft Filler Panel, Window Molding

Estane, Pellethane, Roylar, Toxin

Flexible, Thermoplastic

UP

Polyester/Thermoset

Air Scoop, Air Spoiler, Fascia Extension, Hood, Instrument Housing, Rear Compartment Lid, Roof, Ventilation Grid

Fiberglass, Premi-glass, Selectron, SMC, Vibrinmat

Rigid, Thermoset

For symbols not listed in this table, contact the Society of Automotive Engineers, 400 Commonwealth Drive Warrendale, PA 15096-0001.