| Abbreviation | Definition | 
	
		| ABA | Poly(Acrylonitrile Butadiene Acrylate) | 
	
		| ABS | Poly(Acrylonitrile Butadiene Styrene) | 
	
		| ACM | Poly(Acrylic Acid Ester Rubber) | 
	
		| ACS | Acrylonitrile-Chlorinated Polyethylene-Styrene Terpolymer | 
	
		| ACS | American Chemical Society | 
	
		| AES | Poly(Acrylonitrile Ethylene Styrene) or Poly(Acrylonitrile Ethylene Propylene Styrene) | 
	
		| AMMA | Poly(Acrylonitrile Methyl Methacrylate) | 
	
		| AN | Acrylonitrile | 
	
		| AO | Antioxidant | 
	
		| APET | Amorphous Polyethylene Terephthlate | 
	
		| API | American Petroleum Institute | 
	
		| APWA | All Polymeric Wear Additive | 
	
		| ARP | Poly(Arylterephthalate) Copolyester | 
	
		| AS | Antistatic | 
	
		| ASA | Poly(Acrylic Styrene Acrylonitrile) | 
	
		| ASTM | American Society for Testing and Materials | 
	
		| BDMA | Benzyl Dimethyl Amine (Epoxy Cure Accelerator) | 
	
		| BGE | Butyl Glycidyl Ether | 
	
		| BIIR | Bromobutyl Rubber | 
	
		| BMC | Bulk Molding Compound | 
	
		| BMI | Bismaleimide | 
	
		| BOPP | Biaxially Oriented Polypropylene (Film) | 
	
		| BR | Polybutadiene Rubber | 
	
		| CA | Cellulose Acetate | 
	
		| CAB | Cellulose Acetate Butyrate | 
	
		| CAP | Cellulose Acetate Propionate | 
	
		| CF | Cresol Formaldehyde | 
	
		| CFR | Code of Federal Regulations (21 CFR has provisions dealing with food contact of polymers) | 
	
		| CGE | Cresol Glycidyl Ether | 
	
		| CHDM | Cyclohexanedimethanol | 
	
		| CIIR | Chlorobutyl Rubber | 
	
		| CM | Chlorinated Polyethylene Rubber | 
	
		| CM | Compression Molded | 
	
		| CMC | Carboxymethyl Cellulose | 
	
		| CMC | Carboxymethylcellulose | 
	
		| CN | Cellulose Nitrate | 
	
		| CO | Epichlorohydrin Rubber (Homopolymer) | 
	
		| COC | Cyclo Olefin Copolymer | 
	
		| COF | Coefficient of Friction | 
	
		| CP | Cellulose Propionate | 
	
		| CPE | Chlorinated Polyethylene | 
	
		| CPVC | Chlorinated Polyvinyl Chloride | 
	
		| CR | Polychloroprene Rubber | 
	
		| CS | Casein | 
	
		| CSA | Canadian Standards Associates | 
	
		| CSM | Chlorosulfonated Polyethylene Rubber | 
	
		| CTE | Coefficient of Thermal Expansion | 
	
		| CTFE | Chlorortrifluoroethylene | 
	
		| CTI | Comparative Tracking Index | 
	
		| CVD | Chemical Vapor Deposition | 
	
		| DAIP | Diallylisophthalate | 
	
		| DAM | Dry As Molded (applied to nylon and oher hygroscopic polymers) | 
	
		| DAP | Diallyl Phthalate | 
	
		| DCPD | Dicyclopentadiene | 
	
		| DDS | Diaminodiphenyl Sulfone (Epoxy Cure Agent) | 
	
		| DGEBA | Diglycidyl Ether of Bisphenol A | 
	
		| DIN | Deutches Institut für Normung | 
	
		| DTUL | Deflection Temperature Under Load | 
	
		| EAA | Ethylene/Acrylic Acid Copolymer | 
	
		| EBAC | Poly(Ethylene Butyl Acrylate) | 
	
		| EC | Ethyl Cellulose | 
	
		| ECN | Epoxy Cresol Novolac | 
	
		| ECO | Epichlorohydrin Rubber (Ethylene Oxide Copolymer) | 
	
		| ECTFE | Poly(Ethylene Chlorotrifluoroethylene) | 
	
		| EEA | Poly(Ethylene-Ethyl Acrylate) | 
	
		| EEW | Epoxy Equivalent Weight (Also called WPE) | 
	
		| EMAAA | Ethylene Acid Terpolymer | 
	
		| EMAC | Poly(Ethylene Methyl Acrylate) | 
	
		| EMCM | Ethylene Methyl Acrylate Cyclohexene Methyl Acrylate | 
	
		| EMI | Electromagnetic Interference | 
	
		| EP | Epoxy; Epoxide | 
	
		| EPA | Environmental Protection Agency (US Government) | 
	
		| EPDM | Ethylene Propylene Terpolymer Rubber | 
	
		| EPM | Ethylene Propylene Copolymer | 
	
		| EPN | Epoxy Phenol Novolac | 
	
		| EPS | Expanded Polystyrene | 
	
		| ESCR | Environmental Stress Cracking Resistance | 
	
		| ETFE | Poly(Ethylene Tetrafluoroethylene) | 
	
		| ETPU | Engineering Thermoplastic Polyurethane | 
	
		| EVA | Ethylene Vinyl Acetate Copolymer | 
	
		| EVAC | Ethylene-Vinyl Acetate Copolymer | 
	
		| EVAL | Poly(Ethylene-Vinyl Alcohol) | 
	
		| EVOH | Poly(Ethylene Vinyl Alcohol) | 
	
		| FDA | Food and Drug Administration (US Government) | 
	
		| FDM | Fused Deposition Modeling (Rapid Protoyping/3D Printing Technique) | 
	
		| FDY | Fully Drawn Yarn | 
	
		| FEP | Fluorinated Ethylene Propylene | 
	
		| FF | Furan Formaldehyde | 
	
		| FMQ | Fluorosilicone Rubber | 
	
		| FPM | Fluorocarbon Rubber | 
	
		| FPVC | Flexible Polyvinyl Chloride | 
	
		| FR | Flame Retardant | 
	
		| FVMQ | Fluorosilicone Rubber | 
	
		| FZ | Fluorinated Polyphosphazene Rubber | 
	
		| GFR | Glass Fiber Reinforced | 
	
		| GP | General Purpose | 
	
		| GPO | Propylene Oxide Rubber | 
	
		| GPPS | General Purpose Polystyrene | 
	
		| HAI | High Amp Arc Ignition | 
	
		| HALS | Hindered Amine Light Stabilizer | 
	
		| HDPE | High Density Polyethylene | 
	
		| HDT | Heat Deflection Temperature or Heat Distortion Temperature | 
	
		| HFP | Hexafluoropropylene | 
	
		| HIPS | High Impact Polystyrene | 
	
		| HNBR | Hydrogenated Nitrile Butadiene Rubber | 
	
		| HPP | High Performance Polyester | 
	
		| HRE | Rockwell E Hardness Number | 
	
		| HRM | Rockwell M Hardness Number | 
	
		| HRR | Rockwell R Hardness Number | 
	
		| HSN | Highly Saturated Nitrile Rubber | 
	
		| HVAR | High Voltage Arc Resistance to Ignition | 
	
		| HVTR | High Voltage Tracking Rate | 
	
		| HWI | Hot Wire Ignition | 
	
		| IBS | Interactive Blowing System | 
	
		| IIR | Butyl Rubber | 
	
		| IM | Injection Molded | 
	
		| IMR | Internal Mold Release | 
	
		| ISO | International Standards Organization | 
	
		| LCP | Liquid Crystal Polymer | 
	
		| LDPE | Low Density Polyethylene | 
	
		| LLDPE | Linear Low Density Polyethylene | 
	
		| LMDPE | Linear Medium Density Polyethylene | 
	
		| MD | Metal Deactivator | 
	
		| MD | Metal Detectable | 
	
		| MDI | Methyl Diphenyl Diisocyanate | 
	
		| MDPE | Medium Density Polyethylene | 
	
		| MEKP | Methyl Ethyl Ketone Peroxide (Thermoset Curing Agent) | 
	
		| MF | Melamine-Formaldehyde | 
	
		| MFD | Microfloppy Diskettes | 
	
		| MFI | Melt Flow Index | 
	
		| MVTR | Moisture Vapor Transmission Rate | 
	
		| MWD | Molecular Weight Distribution | 
	
		| NASA | National Aeronautics and Space Administration (US) | 
	
		| NB | No Break (Applied to Impact Test Results) | 
	
		| NBR | Nitrile Rubber (Acrylonitrile-Butadiene Rubber) | 
	
		| NHFR | Non-Halogen Flame Retardant | 
	
		| NHT | High Temperature Nylon | 
	
		| NSF | National Sanitation Foundation (nonregulatory agency) | 
	
		| OB | Optical Brightener | 
	
		| ODP | Ozone Depletion Potential | 
	
		| OEM | Original Equipment Manufacturer | 
	
		| OPP | Oriented Polypropylene (Film) | 
	
		| OPS | Oriented Polystyrene (Film) | 
	
		| OSHA | Occupation Safety and Health Administration (US Government) | 
	
		| PA | Polyamide (Nylon) | 
	
		| PA | Polyacrylate | 
	
		| PAE | Polyarylether | 
	
		| PAEK | Polyaryletherketone | 
	
		| PAI | Polyamide-Imide | 
	
		| PAMS | Poly(Alpha Methylstyrene) | 
	
		| PAN | Polyacrylonitrile | 
	
		| PARA | Polyarylamide (polyaramide) | 
	
		| PAS | Polyarylsulfone | 
	
		| PASA | Polyamide,  Semi-Aromatic (Nylon) | 
	
		| PASU | Polyarylsulfone | 
	
		| PB | Polybutadiene | 
	
		| PB | Polybutene-1 | 
	
		| PBGA | Plastic Ball Grid Array | 
	
		| PBI | Polybenzimidazole | 
	
		| PBT | Polybutylene Terephthalate | 
	
		| PC | Polycarbonate | 
	
		| PCB | Printed Circuit Board | 
	
		| PCP | Post-Consumer Plastic | 
	
		| PCR | Post-Consumer Resin | 
	
		| PCT | Polycyclohexylenedimethylene Terephthalate | 
	
		| PCTFE | Polychlorortrifluoroethylene | 
	
		| PCTG | Glycol-Modified PCT | 
	
		| PCU | Polycarbonate Urethane | 
	
		| PDAP | Poly(Diallyl Phthalate) | 
	
		| PDCPD | Polydicyclopentadiene | 
	
		| PDLA | Poly d-Lactic Acid | 
	
		| PDMS | Polydimethylsiloxane (Silicone) | 
	
		| PE | Polyethylene | 
	
		| PEBA | Polyether Block Amide | 
	
		| PEEK | Polyetheretherketone | 
	
		| PEF | Process Engineered Fuel | 
	
		| PEG | Polyethylene Glycol | 
	
		| PEI | Polyetherimide | 
	
		| PEK | Polyetherketone | 
	
		| PEKEKK | Polyetherketoneetherketoneketone | 
	
		| PEKK | Polyetherketoneketone | 
	
		| PEN | Polyethylene Naphthalate | 
	
		| PEO | Poly(Ethylene Oxide) | 
	
		| PEOX | Poly(Ethylene Oxide) | 
	
		| PES | Polyethersulfone | 
	
		| PESU | Polyethersulfone | 
	
		| PET | Polyethylene Terephthalate | 
	
		| PETE | Polyethylene Terephthalate | 
	
		| PETG | PET Modified with CHDM | 
	
		| PEVA | Poly (Ethylene Vinyl Acetate) | 
	
		| PEX | Cross-linked Polyethylene | 
	
		| PF | Phenol Formaldehyde (Phenolic) | 
	
		| PFA | Perfluoroalkoxy | 
	
		| PFPE | Polyperfluoropolyether | 
	
		| PGA | Polyglycolic Acid | 
	
		| PHA | Polyhydroxyalkanoate | 
	
		| PHV | Polyhydroxyvalerate | 
	
		| PI | Polyimide | 
	
		| PIB | Polyisobutylene | 
	
		| PIR | Polyisocyanurate Foam | 
	
		| PISU | Polyimidesulfone | 
	
		| PLA | Polylactic Acid | 
	
		| PLLA | Poly-L-lactide | 
	
		| PMMA | Polymethylmethacrylate | 
	
		| PMP | Polymethylpentene | 
	
		| PNR | Polynorborane Rubber | 
	
		| PO | Polyolefin | 
	
		| POB | Poly(p-Oxybenzoate) | 
	
		| POM | Polyoxymethylene (Acetal) | 
	
		| POP | Point of Purchase (Marketing Displays) | 
	
		| POY | Partially Orientated Yarn | 
	
		| PP | Polypropylene | 
	
		| PPA | Polyphthalamide | 
	
		| PPC | Polypropylene Copolymer | 
	
		| PPC | Polyphthalate Carbonate | 
	
		| PPE | Polyphenylene Ether | 
	
		| PPF | Phenol-Furfural | 
	
		| PPG | Polypropylene Glycol | 
	
		| PPO | Polyphenylene Oxide | 
	
		| PPOX | Polypropylene Oxide | 
	
		| PPS | Polyphenylene Sulfide | 
	
		| PPSU | Polyphenylsulfone | 
	
		| PRF | Plastics Recovery Facility | 
	
		| PS | Polystyrene | 
	
		| PSS | Polysupersulfone | 
	
		| PSU | Polysulfone | 
	
		| PTFE | Polytetrafluoroethylene | 
	
		| PTHV | Poly(Tetrafluoroethylene, Hexafluoropropylene and Vinylidene Fluoride) | 
	
		| PTMG | Polytetramethylene Glycol | 
	
		| PTT | Polytrimethylene Terephthalate | 
	
		| PU | Polyurethene | 
	
		| PUR | Polyurethene | 
	
		| PVAC | Poly(Vinyl Acetate) | 
	
		| PVAL | Poly(Vinyl Alcohol) | 
	
		| PVB | Poly(Vinyl Butyral) | 
	
		| PVC | Polyvinyl Chloride | 
	
		| PVCA | Poly(Vinyl Chloride-Acetate) | 
	
		| PVDC | Polyvinylidene Chloride | 
	
		| PVDF | Polyvinylidene Fluoride | 
	
		| PVFM | Poly(Vinyl Formal) | 
	
		| PVK | Polvinylcarbazole | 
	
		| PVOH | Polyvinyl Alcohol | 
	
		| PVP | Polyvinylpyrrolidone | 
	
		| PZ | Polyphosphazene Rubber | 
	
		| RH | Relative Humidity | 
	
		| RIM | Reaction Injection Molding | 
	
		| RPVC | Rigid Polyvinyl Chloride | 
	
		| RRIM | Reinforced Reaction Injection Molding | 
	
		| RTI | Relative Thermal Index (UL test) | 
	
		| RTPU | Rigid Thermoplastic Polyurethane | 
	
		| RTV | Room Temperature Vulcanizing (Silicone) | 
	
		| SAN | Poly(Styrene Acrylonitrile) | 
	
		| SB | Styrene-Butadiene | 
	
		| SBC | Styrene-Butadiene Copolymer | 
	
		| SBS | Poly(Styrene Butadiene Styrene) | 
	
		| SEBS | Poly(Styrene-Ethylene-Butadiene-Styrene) Elastomer | 
	
		| SI | Silicone | 
	
		| SI | System International (a subset of metric units) | 
	
		| SIS | Poly(Styrene-Isoprene-Styrene) Elastomer | 
	
		| SLA | Stereolithography (Rapid Protoyping/3D Printing Technique) | 
	
		| SLS | Selective Laser Sintering (Rapid Protoyping/3D Printing Technique) | 
	
		| SMA | Poly(Styrene Maleic Anhydride) | 
	
		| SMC | Sheet Molding Compound | 
	
		| SMMA | Styrene Methyl Methacrylate Copolymer | 
	
		| SMP | Shape Memory Polymer | 
	
		| SMS | Styrene-a-Methylstyrene | 
	
		| SPS | Syndiotactic Polystyrene | 
	
		| SPU | Segmented Polyurethane | 
	
		| SRP | Self-Reinforcing Polymer | 
	
		| TAIC | Triallyl Isocyanurate | 
	
		| TDI | Toluene Diisocyanate | 
	
		| TEEE | Thermoplastic Elastomer Ether Ester Block Copolymer | 
	
		| TEEE | Ether Ester Block Copolymer (Thermoplastic Elastomer) | 
	
		| TEO | Olefinic Thermoplastic Elastomer | 
	
		| TES | Thermoplastic Styrenic Elastomer | 
	
		| TFE | Polytetrafluoroethylene | 
	
		| THV | Tetrafluoroethylene, Hexafluoropropylene and Vinylidene Fluoride | 
	
		| TM | Transfer Molded | 
	
		| TP | Thermoplastic | 
	
		| TPE | Thermoplastic Elastomer | 
	
		| TPI | Thermoplastic Polyimide | 
	
		| TPO | Thermoplastic Polyolefin (often applied to elastomers) | 
	
		| TPU | Thermoplastic Polyurethene (often applied to elastomers) | 
	
		| TPUR | Thermoplastic Polyurethene (often applied to elastomers) | 
	
		| TPV | Thermoplastic Vulcanizate | 
	
		| TS | Thermoset | 
	
		| TYS | Tensile Yield Strength | 
	
		| UF | Urea Formaldehyde | 
	
		| UHMW | Ultra High Molecular Weight (often applied to polyethylene) | 
	
		| UL | Underwriters Laboratory | 
	
		| ULDPE | Ultra Low Density Polyethylene | 
	
		| UP | Unsaturated Polyester (Thermoset) | 
	
		| USDA | United States Department of Agriculture | 
	
		| UTS | Ultimate Tensile Strength | 
	
		| UV | Ultraviolet | 
	
		| VCE | Poly(Vinyl Chloride-Ethylene) | 
	
		| VCEMA | Poly(Vinyl Chloride-Ethylene-Methyl Acrylate) | 
	
		| VCMA | Poly(Vinyl Chloride-Methyl Acrylate) | 
	
		| VCVAC | Poly(Vinyl Chloride-Vinyl Acrylate) | 
	
		| VCVDC | Poly(Vinyl Chloride-Vinylidene Chloride) | 
	
		| VHMW | Very High Molecular Weight (often applied to polyethylene) | 
	
		| VLDPE | Very Low Density Polyethylene | 
	
		| WPE | Weight per Epoxide (also called EEW) | 
	
		| XLPE | Cross-linked Polyethylene |