Hathernware

Chemical Resistance Chart

Key to Chart

A = Highly Resistant
B = Resistant
C = Conditionally Resistant
D = Non Resistant

Resistance data assumes chemicals at
20° C. For higher temperature
applications please refer to
Naylor Technical Sales Department

 1 

FCR Pipes and Fittings
 2 

ECR Pipes and Fittings
 3 

HT Pipes and Fittings
 4 

Chemical Couplings
 5 

EPDM Seals
 6 

NBR (Nitrile) Seals
 7 

Polypropylene Coupling Body
A-H of Chemical Resistance 1 2 3 4 5 6 7
Acetaldehyde CH3CHO A A A A A D A
Acetic acid 100% CH3COOH A A A A A D A
Acetic anhydride (CH3CO)2O A A A A B D A
Acetone CH3COCH3 A A A A A D A
Acetyl chloride CH3COCI A A A A D D C
Alum conc AI2(S04)3K2S04 etc A A A A A A A
Aluminium acetate (CH3COO)3 AL A A A A A B A
Aluminium chloride AICI3 A A A A A A B
Aluminium hydroxide Al (OH)3 A A A A A A A
Aluminium nitrate AL (No3)3 A A A A A B A
Aluminium phosphate AL PO4 A A A A A A A
Aluminium sulphate Al2(SO4)3 A A A A A A A
Amino acids A A A A A B A
Ammonia, moist NH3 A A A A A D A
Ammonium acetate CH3COONH4 A A A A A D A
Ammonium carbonate (NH4)2CO3 A A A A A D A
Ammonium chloride NH4CI A A A A A A A
Ammonium hydroxide NH4OH A A A A A C A
Ammonium nitrate NH4NO3 A A A A A A A
Ammonium persulphate (NH4)2S2O8 A A A A A D A
Ammonium phosphates (NH4)2H2PO4 A A A A A A A
Ammonium sulphate (NH4)2SO4 A A A A A A A
Amyl acetate C5H11CHOOCH3 A A A A D D C
Amyl alcohol C5H11OH A A A A A B A
Amyl bromide C5H11Br A A A A D D D
AmyI chloride C5H11CI A A A A D D D
Aniline C6H5NH2 A A A A C D B
Animal Fats A A A A D A A
Antimony (Ill) chloride SbCl3 A A A A A C A
Aqua regia HNO3 + HCl A B A A B D D
Arsenic acid HAsO3 A A A A A A A
1 2 3 4 5 6 7
Barium carbonate BaCO3 A A A A A A A
Barium chloride BaCl2 A A A A A A A
Barium hydroxide Ba (OH)2 A A A A A A A
Barium sulphate BaSO4 A A A A A A A
Barium sulphide BaS A A A A A A A
Beer A A A A A A A
Benzaldehyde C6H5CHO A A A A A D B
Benzene C6H6 A A A A D D D
Benzene sulphonic acid C6H5SO3H A A A B C D C
Benozoic acid C6H5COOH A A A A D D B
Benzyl alcohol C6H5CH2OH A A A B C D D
Benzyl chloride C6H5CH2CL A A A A D D C
Blood A A A A A A A
Borax Na2B4O7 A A A A A A A
Boric acid H3BO3 A A A A A A A
Brake fluid A A A A B D B
Bromine wet Br2 A B A D D D D
Butanol C4H9OH A A A A B A A
Butyl acetate C4H9COOCH3 A A A A B D B
Butyric acid C3H7COOH A A A A D D C
1 2 3 4 5 6 7
Calcium bisulphate CaHSO4 A A A A B A A
Calcium bisulphite CaHSO3 A A A A D A A
Calcium chlorate Ca(CIO3)2 A A A A A A A
Calcium carbonate CaCO3 A A A A A A A
Calcium chloride CaCI2 A A A A A A A
Calcium hydroxide Ca(OH)2 A A A A A A A
Calcium hydochlorite Ca(CIO)2 A A A A A C A
Calcium nitrate Ca(NO3)2 A A A A A A A
Calcium phosphate Ca3(PO4)2 A A A A A A A
Calcium sulphate CaSC4CaSO4 A A A A A A A
Carbon disulphide CS2 A A A A D D D
Carbon tetrachloride CCL4 A A A A D D D
Castor oil A A A A D A A
ChlorobenzeneC6H5Cl A A A A D D D
Chloroethanol CI(C2H4)OH A A A A D D D
Chloroform CHCI3 A A A A D D D
Chromic acid HCrO3 A B A A C D C
Chromium trioxide CrO3 A A A A D D C
Citric acid C6H8O7 A A A A A A A
Clove oil A A A A D A A
Cobalt chloride CoCl2 A A A A A A A
Cod liver oil A A A A D A A
Corn oil A A A A D A A
Copper Il chloride CuCI2 A A A A A A A
Copper cyanide Cu(CN)2 A A A A A A A
Copper nitrate Cu(NO3)2 A A A A A A A
Copper sulphate CuSO4 A A A A A A A
Creosol C6H4CH3OH A A A A D D D
Crude oil A A A A D C B
Cutting oil A A A A D A B
Cyclohexane C6H12 A A A A D B D

1 2 3 4 5 6 7
Detergents A A A A A A A
Developing fluids (photographic) A A A A D A A
 Diesel oil A A A A D A C
Diethyl ether C2H5OC2H5 A A A A D D D
Diethyl ketone C2H5COC2H5 A A A A C D A
1 2 3 4 5 6 7
Ethyl chloride C2H5CI A B A A A A D
Ethene CH2CCH2CH2CH2 A A A A A A A
Ether, various A A A A D D D
EthyI acetate C2H5COOCH5 A A A A B D C
Ethyl alcohol C2H5OH A A A A A A A
Ethyl bromide C2H5Br A B A A B D D
Ethylene dichloride C2H4CI2 A A A A D D D
Ethylene glycol CH2OHCH2OH A A A A A A A

1 2 3 4 5 6 7
Fatty acids, various A A A A A A A
Ferrous sulphate FeSO4 A A A A A A A
Fish oil A A A A D A A
Fluoroboric acid C D C C B B C
Fluorine F2 D D D C D D D
Formaldehyde CH2O A A A A A D B
Formic acid HCOOH A A A A A D B
Fruit juices A A A A A A A
Fuel oil A A A A D A B
1 2 3 4 5 6 7
Glycerol CH2OHCHOHCH2OH A A A B A A A

1 2 3 4 5 6 7
Hydraulic oil A A A A D A A
Hydrobromic acid HBr A A A A A D A
Hydrocarbon - aliphatic A A A A C C B
Hydrochloric acid conc HCI A B A A A B A
Hydrofluoric acid conc HF D D D A D D C
Hydrogen peroxide conc H2O2 A B A A C D A
I - Z of Chemical Resistance 1 2 3 4 5 6 7
Ink (water based) A A A A A A A
lodoform CHl3 A A A A A A A
lodine wet A A A A C C B
Iron Ill nitrite Fe(NO3)3 A A A A A A A
Iron Ill chloride FeCI3 A A A A A A A
Iron II sulphate FeSO4 A A A A A A A
Iron II chloride FeCI2 A A A A A A A
Iron sulphate Fe2(SO4)3 A A A A A A A
Isopropyl alcohol CH3CH(OH)CH3 A A A A A D A

1 2 3 4 5 6 7
Kerosene A A A A D A B
Ketone, varied A A A A B D B
1 2 3 4 5 6 7
Lactic acid CH3CHOHCOOH A A A A A A A
Lanolin A A A A A A A
Latex A A A A A A A
Lead acetate Pb (CH3COO)2 A A A A A A A
Lead chloride Pb Cl2 A A A A A A A
Lead sulphate Pb SO4 A A A A A A A
Linseed oil A A A A D A A
Lubricating oils A A A A D B B
1 2 3 4 5 6 7
Magnesium chloride MgCI2 A A A A A A A
Magnesium hydroxide Mg (OH)2 A A A A A A A
Magnesium sulphate MgSO4 A A A A A A A
Maleic acid CO2HC2HCO2H A A A B C C A
Malic acid CO2HCH2CHOHCO2 A A A B D A A
Mercury Hg A A A A A A A
Mercury II chloride HgCI2 A A A A A A A
Methanol conc CH3OH A A A A A A A
Methylene chloride CH3CI A B A A D D D
Methylethyc ketone CH3COC2H5 A A A A A D A
Methyl salicylate C6H4OHCOOCH3 A A A A C D B
Milk A A A A A A A
Mineral oil A A A A D A B
Molasses A A A A A A A

1 2 3 4 5 6 7
Naphtha A A A A D D D
Nickel chloride NiCl2 A A A A A A A
Nickel sulphate NiSO4 A A A A A A A
Nitric acid conc HNO3 A B A A B D C
Nitrobenzene C6N5NO2 A A A A D D D
Nitrogen oxides A A A A C D C
Nitrous acid HNO2 A A A A C C B

1 2 3 4 5 6 7
 Oleic acid  A A A A C D A
Olive oil A A A A D A A
Oxalic acid CO2HCO2H A A A A A C A

1 2 3 4 5 6 7
Paraffin A A A A D A A
Perchloric acid HCLO4 B C B A D D B
Petrol A A A A D A C
Phenol conc C6H5OH A A A A C D D
Phosphoric acid 100% H3PO4 A B A A C D A
Phosphorous Ill chloride PCI3 A B A A B D C
Picric acid HO.C6H2(NO3)3 A A A A D D D
Potassium bromide KBr A A A A A A A
Potassium carbonate K2CO3 A A A A A A A
Potassium chlorate KCIO3 A A A A A A A
Potassium chloride KCI A A A A A A A
Potassium cyanide KCN A A A A A A A
Potassium dichromate K2Cr2O7 A A A A A A A
Potassium ferrycyanide K4Fe(CN)6 A A A A A A A
Potassium hydroxide dilute KOH B C B A A A A
Potassium nitrate KNO3 A A A A A A A
Potassium permanganate KMnO4 A A A A B D C
Potassium sulphate K2SO4 A A A A A A A
Potassium sulphide K2S A A A A A A A
Propyl alcohol C3H7OH A A A A A A A
Propylene dichloride A A A A D D D
Prussic acid conc HCN A A A A A B A
Prussic acid diluted HCN A A A A A A A
Pyrogallol C6H3(OH)3 A B A A C C C

1 2 3 4 5 6 7
Rapeseed oil A A A A B D B
1 2 3 4 5 6 7
Silver nitrate AgNO3 A A A A A B A
Sodium acetate NaCH3COO A A A A A B A
Sodium bicarbonate NaHCO3 A A A A A A A
Sodium bisulphate NaHSO4 A A A A A C A
Sodium bisulphite NaHSO3 A A A A A A A
Sodium borate Na2B4O7 A A A A A A A
Sodium carbonate Na2CO3 A A A A A A A
Sodium chlorate NaCIO3 A A A A A A A
Sodium chloride NaCl A B A A A A A
Sodium cyanide NaCN A A A A A A A
Sodium floride NaF B C B C A A A
Sodium hydroxide (caustic soda) C C C A A C A
Sodium hypochlorite NaOCI A B A A B B A
Sodium nitrate NaNO3 A A A A A A A
Sodium perborate A A A A A A A
Sodium peroxide Na2O2diluted A A A A A D B
Sodium phosphate tertiary Na3PO4 A A A B A A A
Sodium silicate Na2SlO3 B C B A A A A
Sodium sulphate Na2SO4 A A A A A A A
Sodium sulphide Na2S A A A A A A A
Sodium sulphite Na2SO3 A A A A A A A
Stearic acid CH3 (CH2)16 COOH A A A A B B A
Styrene C6H5CHCH2 A A A A D D C
Sugars A A A A A A A
Sulphur chloride moist S2CI2 A A A A D D B
Sulphuric acid <10% H2SO4 A A A A A C A
Sulphuric acid conc H2SO4 A B A A B D C
Sulphurous acid H2SO3 A A A A B B B
Sulphuryl chloride SO2CI2 A A A A D D B
1 2 3 4 5 6 7
Tannic acid (OH)3C6H2 A A A A A A A
Tartaric acid (CHOH COOH)2 A A A A B A A
Tin chlorides A A A A B A A
Toluene CH3C6H5 A B A A D D D
Transmission fluid A A A A D B B
Trichloroethylene dry A A A B D D D
Turpentine C10H18 A A A A D A D

1 2 3 4 5 6 7
Vegetable oils A A A A C A A

1 2 3 4 5 6 7
White spirit A A A A D B C
1 2 3 4 5 6 7
Xylene C6H4(CH3)2 A A A A D D D
1 2 3 4 5 6 7
Zinc chloride ZnCl2 A A A A A A A
Zinc sulphate ZnSO4 A A A A A A A