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Always with updated information - www.nuncbrand.comChemical Resistance Chart Nunc LabwareAdditional InformationInterpretation ofChemical ResistanceThe Chemical Resistance Chart thatfollows is a general guide only. Becauseso many factors can affect the chemicalresistance of a given product, you shouldtest under your own conditions.Effects of Chemicals on PlasticsChemicals can affect the strength,flexibility, surface appearance, color,dimensions or weight of plastics. Thebasic modes of interaction which causethese changes are: (1) chemical attackon the polymer chain, with resultantreduction in physical properties,including oxidation; reaction offunctional groups in or on the chain;and depolymerization; (2) physicalchange, including absorption of solvents,resulting in softening and swelling of theplastic; permeation of solvent throughthe plastic; dissolution in a solvent; and(3) stress cracking from the interactionof a “stress cracking agent” with internalor external stresses. Also see “ChemicalResistance Classification.”Mixing and/or dilution of certain chemicalsin Nunc labware can be potentiallydangerous.The reactive combination of differentchemicals or compounds of two ormore classes may cause an undesirablechemical effect or result in an increasedtemperature, which can affect chemicalresistance (as temperature increases,resistance to attack decreases). Otherfactors affecting chemical resistanceinclude pressure and internal or externalstresses (e.g. centrifugation), lengthof exposure, and concentra tion of thechemical.EnvironmentalStress CrackingEnvironmental stress cracking is the failureof a plastic material in the presenceof certain types of chemicals.This failure is not a result of chemicalattack. Simultaneous presence of threefactors causes stress cracking: tensilestress, a stress cracking agent and theinherent susceptability of the plastic tostress cracking.Common stress cracking agents aredetergents, surface active chemicals,lubricants, oils, ultra-pure water andplating additives such as brighteners andwetting agents. Relatively small concentrationsof stress cracking agent may besufficient to cause cracking.Mixing and/or dilution of certain chemicalsmay result in reactions whichproduce heat, which can cause productfailure.Pre-test your specific usage and alwaysfollow correct lab safety procedures.CautionDo not store strong oxidizing agents in plasticlabware except that made of TEFLON FEP orPFA. Prolonged exposure causes the material tobecome brittle.We have included a number of resins, which arenot used in Nunc Brand products, as we feel thatcustomers may find the information useful.Resin Codes:ACL Acetal (polyoxymethylene)ECTFE Halar ECTFE (ethylene-chlorotrifluoroethylenecopolymer)ETFE Tefzel ETFE (ethylene-tetrafluoroethylene)FEP TEFLON FEP (fluorinated ethylene propylene)HDPE High-density polyethyleneLDPE Low-density polyethyleneNYL Nylon (polyamide)PC PolycarbonatePETG Polyethylene terephthalate copolymerPFA TEFLON PFA (perfluoroalkoxy)PMMA Polymethyl methacrylate (acrylic)Resin Codes:PPPolypropylenePPCO* Polypropylene copolymerPSPolystyrenePSF PolysulfonePUR PolyurethanePVDF Polyvinylidene fluorideTFE TEFLON TFE (tetrafluoroethylene)TMX ThermanoxTPE Thermoplastic elastomerPMX PermanoxXLPE Cross-linked high-density polyethylene*PPCO has replaced polyallomer (PA) in all products.188
www.nuncbrand.com - Always with updated informationChemical Resistance ChartChemical Resistance Classifications are given at the bottom of the following charts.First letter of each pair applies to conditions at 20°C; the second to those at 50°C. At 20°C → EG ← at 50°C.Chemical LDPE HDPE PP PPCO PETG FEP TFE PFA ECTFE ETFE PC PSF PS PVDF PMX TMX1,2,4-Trichlorobenzene NN NN NN NN NN EE EE EE EG EG NN NN NN EE GF –1,2 Dichloroethane NN NN NN NN NN EE EE EE EE EE NN NN NN EE NN –1,4-Dioxane GF GG GF GF – EE EE EE EF EF GF GF NN NN GF EN2,2,4-Trimethylpentane FN FN FN FN – EE EE EE EG EG NN GF NN EE FN –2,4 Dichlorophenol NN NN NN NN – EE EE EE EE EE NN NN NN EE FN –2-Butanol EE EE EE EE – EE EE EE EE EE EG EG GG EE EG EN2-Methoxyethanol EG EE EE EE – EE EE EE EG EG NN NN NN EE EE –2-Propanol EE EE EE EE – EE EE EE EE EE EE EE EG EE EE ENAcetaldehyde GN GF GN GN – EE EE EE GF GF FN NN NN EE GN –Acetamide, Sat. EE EE EE EE – EE EE EE EE EE NN NN EE – EE EGAcetic Acid, 5% EE EE EE EE G- EE EE EE EE EE EG EE EG EE EE ENAcetic Acid, 50% EE EE EE EE FN EE EE EE EG EG EG GG GG EE EE ENAcetic Acid, Glacial EG EE EG EG NN EE EE EE EE EE NN FN NN EG EG ENAcetic Anhydride NN FF GF GF – EE EE EE EE EE NN NN NN NN EG –Acetone NN NN EG EE NN EE EE EE GF GF NN NN NN NN EE EFAcetonitrile EE EE FN FN – EE EE EE EE EE NN NN NN EE FN –Acetophenone NN FF FF FN – EE EE EE EE EE NN NN NN NN GN –Acrylonitrile EE EE FN FN – EE EE EE EG EG NN NN NN GF FN E -Adipic Acid EG EE EE EE – EE EE EE EE EE EE GG EE EE EE –Allyl Alcohol EE EE EE EE – EE EE EE EE EE GF GF GF EG EG ENAluminum Hydroxide EG EE EG EG – EE EE EE EE EE FN GG GG EE EG –Amino Acids EE EE EE EE – EE EE EE EE EE EE EE EE EE EE –Ammonia EE EE EE EE – EE EE EE EE EE NN GF GF EE EE NNAmmonia, 25% EE EE EE EE – EE EE EE EE EE NN EG EG NN EE NNAmmonium Glycolate EG EE EG EG – EE EE EE EE EE GF GG EE EE EG –Ammonium Hydroxide, EE EE EE EE FN EE EE EE EE EE FN GG EF EE EE FN5%Ammonium Hydroxide, EG EE EG EG NN EE EE EE EE EE NN GG GF EE EG NN30%Ammonium Oxalate EG EE EG EG – EE EE EE EE EE EE EE EE EE EG –Ammonium Salts EE EE EE EE – EE EE EE EE EE EG EE GG EE EE GFAmyl Alcohol EE EE EE EE – EE EE EE EE EE GF EE GF EE EE E -Amyl Chloride NN FN NN NN – EE EE EE EE EE NN NN NN EE NN –Aniline EG EG GF GF – EE EE EE GN GN FN NN NN EF GF E -Aqua Regia NN NN NN NN – EE EE EE EG EG NN NN NN EF NN NNArsenic Acid GF EG EE EG – EE EE EE EE EE EE – EE EE EE –Benzaldehyde EG GN EG EG – EE EE EE EF EF FN FF NN EE EG E -Benzenamine EG EG GF GF – EE EE EE GN GN FN NN NN EF GF E -Benzene NN NN NN NN NN EE EE EE EG EG NN NN NN EE GF GNBenzoic Acid, Sat. EE EE EG EG – EE EE EE EE EE EG FF GG EE EG ENBenzyl Acetate EG EE EG EG – EE EE EE EG EG FN NN NN – EG –Benzyl Alcohol NN FN NN NN – EE EE EE EE EE NN NN NN EE NN EFBoric Acid EE EE EE EE NN EE EE EE EE EE EE – EG EE EE –Bromine NN FN NN NN – EE EE EE EG EG FN NN NN EE NN –Bromobenzene NN NN NN NN – EE EE EE GN GN NN NN NN EE NN –Bromoform NN NN NN NN – EE EE EE GF GF NN NN NN EE NN –Butadiene NN FN NN NN – EE EE EE EE EE NN NN NN EE NN –Butyl Acetate NN FF FF FF – EE EE EE EE EE NN NN NN GN GF G-Butyl Chloride NN NN NN NN – EE EE EE EE EE NN NN NN EE FN –Butyric Acid NN FN NN NN – EE EE EE EE EE FN GG NN EE NN –Additional InformationE - No damage after 30 days of constant exposure. G - Little or no damage after 30 days of constant exposure.F - Some effect after 7 days of constant exposure. N - Immediate damage may occur. Not recommended for continuous use.189
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