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Prime = Material meets manufacturers’ intended specification and seller will provide a certification stating such.

Pencil Prime = Within range to meet intended prime specification but sold without certs at a slight discount in an abundant resin market.  This word is definitely used too loosely by some brokers.

Generic Prime = Prime material with certs provided by seller assuring material meets intended specs, without divulging the resin manufacturer.

Wide Spec = Material specs are wider than intended range when material was produced.  Material can range from “good wide spec” to “bad wide spec”, from good overall color, to off color, and even caramelized pellets.  This is where an honest experienced broker can really help you save money, and where a dishonest and/or in-experienced broker can shut you down.  Abbreviated as: W.S.; W/S, WS.

Off Spec = Same definition as wide spec listed above.  Abbreviated as: O.S.; O/S, OS.

Off Grade = Same definition as off spec & wide spec listed above.  Abbreviated as: O.G.; O/G, OG.

Repro = Reprocessed recycled material made into pellets.  Feedstocks are mostly post industrial plastic parts that are ground into small regrind form and then pelletized.  Post consumer repro is made in the same manner but uses feedstocks such as consumer recycled soda bottles.  Repro is sold mostly in natural and black color, and is custom colored at times.  Quality can range quite a bit; a trustworthy broker can really help you here.  Abbreviated as: Repro is an abbreviation of reprocess.

Reprocessed = Same as above.  Abbreviated as: Repro

Regrind = Recycled scrap than can be cost effective for some users.  Most of it is ground post industrial plastic products with a lesser quality coming via post consumer sources.  This is where an honest experienced broker can really help you save money, and where a dishonest and/or in-experienced broker can shut you down.

Custom Compound = Can be as simple as a dry blend of two or more materials such as color concentrate or processing aid, to the common compounds with fillers such as glass, talc, or mineral, to very advanced compounds with nanocomposite blends.

High Density Polyethylene = Abbreviated as: HDPE; H.D.P.E.

Low Density Polyethylene = Abbreviated as: LDPE; L.D.P.E.

Linear Low Density Polyethylene = Abbreviated as: LLDPE; L.L.D.P.E.

Polypropylene = Abbreviated as: PP; P.P.

Polystyrene = Abbreviated as: PS; P.S.

High Impact Polystyrene = Abbreviated as: HIPS; H.I.P.S.

General Purpose Polystyrene = Abbreviated as: GPPS; G.P.P.S.

Expandable Polystyrene = Abbreviated as: EPS; E.P.S.

Copolymer = Abbreviated as: Copo; Co

Homopolymer = Abbreviated as: Homo; Ho

Polyethylene Terephthalate = Abbreviated as: PET; P.E.T.

Polyethylene Terephthalate Glycol = Abbreviated as: PETG; P.E.T.G.

Acrylonitrile Butadiene Styrene = Abbreviated as: ABS; A.B.S.

Polycarbonate = Abbreviated as: PC; P.C.

Styrene Butadine Copolymer = Abbreviated as: SBC; S.B.C.

Styrene Acrylonitrile = Abbreviated as: SAN; S.A.N.

Poly Vinyl Chloride = Abbreviated as: PVC; P.V.C.

Thermoplastic Polyurethane = Abbreviated as: TPU

Thermoplastic Elastomers = Abbreviated as: TPE