Chemical Resistance of Nylon 6 and Nylon 66

CHEMICALRESISTANCEOF NYLON 6ANDNYLON 66T E C H N O T E

Chemical Resistance of VYDYNE Nylon Resins (Nylon 66)The following abbreviations areused for the ratings:E = ExcellentG = GoodF = FairP = PoorNR = Not RecommendedS = SolventTable 1 – Behavior of VYDYNE® Nylon Resins (Nylon 66) Toward Organic Solventsat Room TemperatureReagent Visual Change RatingsBenzyl Alcohol Coarse Surface After 2 Days NRButyl Alcohol Temporary loss of stiffness GEthyl Alcohol Temporary loss of stiffness GEthylene Glycol Temporary loss of stiffness GIsopropyl Alcohol Temporary loss of stiffness GMethyl Alcohol Temporary loss of stiffness GButyl Acetate Unchanged EEthyl Acetate Unchanged EMethyl Acetate Unchanged EAmyl Acetate Unchanged EEther (Diethyl) Unchanged ETetrahydrofuran Unchanged EAcetone Unchanged EBenzaldyhyde Unchanged ECyclohexanone Unchanged EDichlorethylene Temporary loss of stiffness GTrichlorethylene Temporary loss of stiffness GPerchlorethylene Unchanged EDichlormethane Temporary loss of stiffness GChloroform Temporary loss of stiffness GCarbon Tetrachloride Unchanged ECarbon Disulfide Unchanged EPyridine Unchanged EBenzene Unchanged EMonochlorbenzene Unchanged EToluene Unchanged EXylene Unchanged EKerosene Unchanged ETurpentine Unchanged ETetralin Unchanged EDecalin Unchanged EGasoline Unchanged EPetroleum Unchanged EMineral Oil Unchanged EResorcinol Dissolves S, NR

Table 2 – Behavior of VYDYNE Nylon Resins (Nylon 66) TowardAcids, Bases, Halogens, etc.Reagent Temp Visual Change Ratings°F (°C)Sulfuric Acid (Conc) 75(24) Dissolves S, NRSulfuric Acid (Dilute) 75(24) Partially dissolves P, NRHydrochloric Acid(Conc) 75(24) Dissolves S, NRHydrochloric Acid(Dilute) 75(24) Partially dissolves P, NRHydrochloric Acid(20-40%) 73(23) Etched after 1 sec. P, NRPhosphoric Acid(Conc) 75(24) Dissolves S, NRNitric Acid (Conc) 75(24) Dissolves S, NRAcetic Acid (Conc) 75(24) Partially dissolves P, NRAcetic Acid (Conc) 200(93) Dissolves S, NRAcetic Acid (Dilute) 75(24) Etched F, NRFormic Acid (Conc) 75(24) Dissolves S, NRFormic Acid (Dilute) 75(24) Partially dissolves P, NRChlorine — Strong attack NRBromine — Strong attack NRPhenol 75(24) Dissolves S, NR0-Chlorophenol 75(24) Dissolves S, NRm-Chlorophenol 75(24) Dissolves S, NRp-Chlorophenol 75(24) Dissolves S, NRCresol 75(24) Dissolves S, NRDimethylformamide 75(24) Strong attack NRgamma-Butyrolactone 75(24) Strong attack NRXylenols 75(24) Dissolves S, NRSodium Hydroxide (5%) 73(23) Minimal effect ESodium Hydroxide (5%) 158(70) Minimal effect ESodium Hydroxide (10%) 73(23) Minimal effect ESodium HydroxideSome “crazing”(10%) 158(70) after 30 days P, NRPotassium Hydroxide(5%) 73(23) Minimal effect EPotassium Hydroxide(5%) 158(70) Minimal effect EPotassium Hydroxide(10%) 73(23) Minimal effect EPotassium HydroxideSome “crazing”(10%) 158(70) after 30 days P, NRTable 3 – Behavior of VYDYNE Nylon Resins(Nylon 66) in Aqueous Solutions of Inorganic Salts atRoom TemperatureSalt Solution Visual Change Ratings10% Ammonium Chloride Unchanged F10% Aluminum Chloride Unchanged F10% Sodium Hypochlorite White coating(0.1% Cl) after 18 days G10% Calcium Chloride Unchanged F10% Chrome Alum Unchanged G10% Ferric Chloride Unchangedyellowing P, NR5% Potassium Dichromate Unchangedyellowing P, NR10% Potassium Nitrate Unchanged G1% PotassiumPermanganate Decomposed NR10% Copper Sulfate Unchanged G10% Magnesium Chloride Unchanged G10% Manganese Sulfate Unchanged G10% Sodium Sulfate Unchanged G10% Sodium Bisulfite Unchanged G5% Mercuric Chloride Swelled P5% Sodium Hydroxide Etched G1% Sodium Hydroxide Unchanged G0.5% Hydrogen Peroxide Unchanged G1% Hydrogen Peroxide Brittle after54 days NR3% Hydrogen Peroxide Brittle after54 days NR10% Hydrogen Peroxide Degrades NR30% Hydrogen Peroxide Degrades NR10% Zinc Chloride Unchanged F

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