LEGEND : This information is based on published data and experience.A = Absolutely Resistant. AT = Ambient Temperature. This data is offered as a guide only and is B = Sufficiently Resistant. S = Boiling (Ambient pressure). not to be construed as a specific C = Not Resistant. conc. = concentrated. recommendation by KROHNE.X = Absolutely Resistant, but not recommended sat. = saturated.(M) = up to max. temperature limit of liner !

ELECTRODE LINER O-RINGFluid Conc. % Temp. C 1.4571 St. steel Titanium Tantalum Hastelloy C Platinum Ceramic PTFE Neo-prene Nat rubber PFA TEFZEL Viton EPDM Kalrez

Acetaldehyde Rt A A A A A A A C B A BAcetic acid 5 Rt A A A A A A A A B A C A A

5 S A A A A A A A C C C A A10 Rt A A A A A A A A B A C A A10 S A A A A A A A C C C A A50 Rt A A A A A A A C B A C A A50 S A A A A A A A C C C A A80 Rt B A A A A A A A B A C A A80 S B A A A A A A C B(M) C A A

CONC Rt A A X A A A A C B A C A ACONC S B A X A A A A C C C A A

Acetic anhydrid Rt A A X A A A A A B C A AAceton 100 Rt B A X A A A A B B A C A AAlum 10 Rt A A A A A A A A A A AAluminium chloride 10 Rt C A A A A A A A A A A

10 100 C A A A A A A C C A A25 60 C A A A A A A A C A A25 100 C A A A A A C C A A80 S C A A A A A C C A A

Aluminium sulphate 10 Rt A A X A A A A A A A A10 S A A X A A A A A A A A15 50 A X A A A A A A A A20 55 A X A A A A A A A A25 S A X A A A A A A A A50 S A X A A A A A A A A55 40 A X A A A A A A (M) A A57 120 B A X A A A A C C A A

Ammonia, ammoniumhydroxide10 Rt A A X A A A A A A A A A10 S A A C A A A A B(M) A(M) A A A20 S A A C A A A A B(M) A(M) A A A25 S A A C A A A A A(M) B(M) A A A

Ammonium carbonate 30 S A A A A A A A(M) A(M) A A40 S A A A A A A A(M) A(M) A A50 S A A A A A A A(M) A(M) A A

Sat. Rt A A A A A A A A A ASat. S A A A A A A B(M) A(M) A A

Ammonium chloride 10 Rt B A A A A A A A A A A

10 S B A A A A A A A(M) A(M) A A25 Rt B A A A A A A A A A A25 S B A A A A A A A(M) A(M) A A50 Rt A X A A A A A A A A50 S B A X A A A A A(M) A(M) A A

Sat. Rt B A X A A A A A A A ASat. S B A X A A A A A(M) A(M) A A

Ammonium fluoride 20 80 C X A A C C A AAmmonium nitrate 10 Rt A B X A A A A A A A A

20 Rt A B X A A A A A A A A20 S A B X A A A A A(M) A(M) A A50 Rt A B X A A A A A A A A50 S A B X A A A A A(M) B(M) A A

Ammonium sulphate all Rt A A A A A A A A B A Aall S B A A A A A A A(M) B(M) A A

Aniline Rt A A X A A A A C B A A AS B A X A A A A C C C B A

Arsenic acid Rt A A A A A A A A A ABarium chloride 20 Rt B A A A A A A A A A A

20 100 B A A A A A A A(M) A(M) A ABarium hydroxide sat Rt A A A C A A A A A A

sat S A C A C A A A(M) A ABenzene Rt A A X A A A C C C B C ABenzoic acid all Rt A A X A A A A A C ABenzene sulfonic acid 5 70 A X A A A A A C ABoric acid 10 S A A A A A A A B(M) A(M) A A

50 S A A A A A A A A(M) A(M) A ABrine techn. Rt B A X A A A A A A A

S B A X A A A A A(M) A(M) ABromine dry Rt C C A A A A A C C A A C A

S C C A A A A C C A C AButyric acid 100 Rt A A X A A A A A A B

100 S A A X A A A A B A BButyl acetate Rt A A X A A A A C C C A AButyl alcohol Rt A A X A A A A A A A A A

S A A X A A A A A(M) A(M) A A ACalcium bisulfite Rt A A A A A A A B B C ACalcium hypochlorite 20 40 B A A A A A A B B A ACalcium nitrate Rt A A A A A A A C A ACalcium sulfate 1 - 5 Rt A A A A C A A A A A A

10 S A A A A C A A A(M) A(M) ACarbon disulfide Rt A A X A A A A C C A C A

S A A X A A A A C C A C ACarbon tetra chlorine Rt B A X A A A C C A C AChlorine dry Rt B C X A A A A C C A A C A

70 B A A A C C A A C A

100 C A X A A A C C A C AChlorate 50 A A AChlorine benzene 20 B A A A A A C C

S B A A A A A C CChloracetic acid 50 20 C A A A A A A B C A A A

70 S A A A A A A C C A A100 Rt C A A A A A A C C A A100 S C A A A A A A C C A A

Chlorosulfonic acid Rt C C X A A A A C C A C C AS C C X A A A A C C A C C A

Chromic acid 10 Rt A A A A A A A C C A A10 S C A A A A A A C C A A50 Rt C A A A A A A C C A A A50 S C A A A A A A C C A A

Citric acid 5 Rt A A X A A A A A A A A5 S A A X A A A A A(M) A(M) A A25 Rt A A X A A A A A A A A25 S A A X A A A A A(M) A(M) A A50 Rt A A X A A A A A A A A50 S A B X A A A A A(M) A(M) A A

Copper (II) chloride 20 Rt C A A A C A A A A A A20 S C A A C C A A A(M) A(M) A A40 S C A A C C A A A(M) A(M) A A50 Rt A A A C A A A A A Asat. S A A C C A A A(M) A(M) A A

Copper sulfate 5 Rt A A A A A A A A A A A5 S A A A A A A A A(M) B(M) A A25 S A A A A A A A A(M) B(M) A A50 S A A X A A A A A(M) B(M) A Aall S A A X A A A A A(M) B(M) A A

Cyanide 10 Rt A C A A A A B ADichloroethene 100 50 B A X A A A C ADichloroethylene S B A X A A A C C B ADichloromethane Rt-S B A X A A A C CDioxane A X A A A C C C A ADiphenyl B A X A A A C C C AEther Rt A A X A A A A B B A B AEthyl acetate Rt A A X A A A A C C A C A AEthyl alcohol Rt A A X A A A A A A A A A AEthyl chloride Rt B A X A A A B B A A AFatty acid techn. 100 A X A A A A B(M) C A A B A

techn. 150 A X A A A A B(M) C A B A100 Rt A A X A A A A B C A B A100 S B A X C A A A C C A B A100 135 A A X A A A A B(M) C A B A100 315 A A X B A A A B A

Ferric (II), per chloride 30 100 A A A A A A(M) B(M) A A A10 S A A A A A A(M) B(M) A A A30 Rt A A A A A A B A A A50 50 A A A A A A B A A Asat. 100 A A A A A A(M) B(M) A A A

Ferric (III), per chloride 5 25 C A A A A A A A A A A10 65 C A A B A A A(M) A(M) A A A15 25 C A A A A A A A A A A A45 25 C A A B A A A A A A A50 50 C A A C A A A A(M) A A A50 S C A A C A A A(M) A(M) A A A

Ferrous nitrate all Rt A A A A A A A A A A AFerrous (II), sulfate 10 Rt A A A A A A A A B A A A

all S A A X A A A A A(M) A(M) A A AFerrous (III), sulfate Rt A A X A A A A A B A A A

till 30 till 65 A X A A A A A(M) B(M) A A AFluorisilicic acid Rt C C C A A A A B A A A A

30 30 C C C A A A A B AFormaldehyde all till S A A A A A A A B(M) B(M) A A B BFormic acid 10 Rt A A A A A A A B B A C B

10 65 A A A B A A A C B(M) A C B10 S C A A C A A A C B(M) C B

20-40 65 A A A B A A A C B(M) A C B50 Rt A A A A A A A B B A C B50 S B C A C A A A C B C B60 65 A B A B A A A C B A C B80 Rt A A A A A A A B B A C B

Formic acid 80 S C C A C A A A C B(M) C B90 100 C C A C A A A B(M) B(M) A C B

conc. Rt A A A A A A A B B A C Bconc. S C C A C A A A B(M) C C B

Glycerol Rt A A X A A A A A A A A A AS A A X A A A A A(M) A(M) A A A A

Hydrochlorid acid 0,5 Rt B A A X A A A B B A A A A0,5 S C A X C A A A C C A A A A5 Rt C A A X A A A B B A A A A5 60 C A A C A A A B B A A A A5 S C A X C A A A C C A A A A10 Rt C A A B X A A B B A A A A10 50 C A A B X A A B B A A A A10 S C C X C X A A B(M) C A A A A15 Rt A A B X A A B B A A A A15 S C X C X A A C C A A A A20 Rt B A A B X A A B B A A A A20 S C C X C X A A C C A A A A

Hydrochloric acid 30 Rt C A B X A A B B A A A A

30 S C X C X A A B(M) C A A A A37 Rt B C A C X A A B B A A A A37 S C X C X A A C C A A A A

Hydrocyanic acid Rt A A A A A A A B B A AHydrogen bromide Rt C A A A B C Hydrogen sulfide Rt A A X A A A A B C A A A A

100 A A X A A A A C C A A AHydrobromic acid 0-50 S C A C C A A B B(M) A A AHydrofluoric acid 1 Rt C C A A A A B B A A A A

40 Rt C C C A A A A B B A A A A40 50 C C C A A A A C C A A B A50 Rt C C C A A A A B B A A A A100 Rt C C A A B A C C A B A100 S C C A A B A C C A C A

Lactic acid 1,5 Rt A A X A A A B C B A A1,5 S A A X A A A B(M) C B C A10 Rt A A X A A A B C B A A

Lactic acid 10 S C A X A A A B(M) B(M) B C Aconc. S B A X B A A B B B C A

Lead acetate all Rt A A C A A A A A AMagnesium chloride 10 Rt B A A A A A A A A A

20 S B A X A A A A A(M) A(M) A30 Rt B A A A A A A A A A42 S B A X A A A A A(M) A(M) A

Magnesium sulfate 10 Rt A A A A A A A A A A A25 S A A A A A A A A(M) A(M) A A50 50-S A A A A A A A A(M) A(M) A A

ges. Rt-80 A A A A A A A A(M) B(M) A AMaleic acid 10 till 80 A X A A A A(M) B C A

10 S A X A A A B(M) B C A50 100 A X A A A A(M) B C A

Maleic acid till 50 Rt A A X A A A B B C AS A A X A A A B(M) B(M) C A

Manganous chloride 5 100 B A X A A A A(M) A(M) A20 100 B A X A A A A(M) A(M) A

Manganous chloride 50 100 B A X A A A A(M) B(M) AManganous sulfate all Rt A A X A A A A A AMercury 20 B A X A A A A A A A A

50 B A X A A A A A A A AS B B X A A A A A

Methanol all Rt A A X A A A A A A A B A Aall S B B X A A A A A(M) A(M) A B A A

Monochloracetic acid 50 Rt B A X A A A C B A70 S C A X A A A C C A100 Rt B A X A A A C C A100 S C A X A A A C C A

Naphthalene Rt A A X A A A C C A C ANickel chloride 10 60 B A A A A A A A A(M) A A

10 S B A A C A A A A(M) A(M) A A20 Rt A A A A A A A A A A30 S A A C A A A A(M) A(M) A A80 95 A A C A A A A(M) A(M) A A

Nickel nitrate Rt A A A A A A A A A ANickel sulfate 80 A A A A A A A(M) B(M) A ANitric acid 7 Rt X X A X A A B B A A A A

7 S X X A B A A C C A B A A10 Rt X X A X A A B B A A A A10 S X X A B A A C B(M) A B A A25 Rt X X A X A A C C A A A A25 S X B A C A A C C A B A A37 Rt X X A X A A C C A A A A37 S X B A C A A C C A B A A50 Rt X X A X A A C C A A A A50 S B B A C A A C C A B A A65 Rt X X A X A A C C A A A A65 S C A A C A A C C A B A A70 100 C X A C A A C C A B A A100 Rt C X A A A C C A A A A100 50-70 X A A A C C B A A100 S X A A A C C B A A

Nitro benzene A X A A A A C C A B COleum 10 Rt A C A A A A A C C C

10 S C C B A A A C C C A25 Rt C A A A A A C C C A25 S C C C A A A C C C A

Oxalic acid 5 Rt A A X A A A A B A A5 S C C X A A A A(M) B(M) A A10 Rt A A X A A A A B A A10 S C C X A A A B(M) B(M) A A25 Rt A X A A A B B A A25 S C X A A A A(M) B(M) A A50 Rt A X A A A A B A A50 S C X A A A A(M) B(M) A Asat. Rt B X A A A A B A Asat. S C X A A A B(M) B(M) A A

Ozone liquid A X B A A A B C APerchloroethylene Rt B A X A A A A C C A C A

S B A X A A A A C C A C APhenol pure Rt A A X A A A A C C A C APhenol S A A X A A A A C C B C APhosphoric acid 1 Rt X X A X A A A A A A A A A

1 S X B A X A A A(M) A(M) A A A A

1 140 C A X A A A(M) A(M) A A A A10 Rt X X A X A A A A A A A A A10 150 X C A X A A A(M) A(M) A A A A30 Rt X X A X A A A A A A A A A30 150 B C A X A A A(M) A(M) A A A A45 Rt X B A X A A A A A A A A A45 150 X C A X A A B(M) A(M) A A A A80 Rt X B A X A A A A A A A A A80 60 B A X A A B A A A A A80 150 C C A B A A A A(M) A(M) A A A A90 Rt B A X A A A A A A A A90 150 C A C A A A A(M) A(M) A A A A

conc. Rt B B A X A A A A A A A A Aconc. 150 C C A C A A A(M) A(M) A A A A

Potassium chloride 10 Rt B A A A A A A A A A A A10 S B A A A A A A A(M) A(M) A A20 S B A A A A A A A(M) A(M) A A30 S B A A A A A A A(M) A(M) A Asat. 100 B A A A A A A B(M) B(M) A A

Potassium cyanide 10 Rt A C X A A A A B A APotassium hydroxide 10 Rt A X X X A A A A A A A A

10 S B X C X A A B A(M) A(M) A A A20 Rt A X C X A A A A A A A A20 S B C X A B A A(M) A(M) A A A28 Rt A C X A A A A A A A A28 S B C X A B A A(M) A(M) A A A40 till S B C X A B A A(M) A(M) A A A50 Rt B C X A B A A A A A A50 S B C X A B A A(M) B(M) A A A

Potassium hypochlorite 20 g till 40 B A X A A A C C ACI/1 A

130 g Rt C A X A A A C C APotassium hypochlorite CI/1 A

130 g 150 C A X A A A C C ACI/1 A

Potassium nitrate 25 Rt A A X A A A A A A A A25 S A A X A A A A A(M) A(M) A A40 Rt A A X A A A A A A A A40 S A A X A A A A A(M) A(M) A A50 Rt A A X A A A A A A A A50 S A A X A A A A A(M) A(M) A Asat. Rt A A X A A A A A A A Asat. S A A X A A A A A(M) B(M) A A

Potassium perchlorate 25 25 A X A A A A A A50 25 A X A A A A A A75 25 A X A A A A A A

Potassium permanganate all Rt A A A A A B C A B Aall S A A A A A B(M) C B A

Potassium sulfate 10 Rt A A A A A A A A A A A20 till 50 A A A A A A A A A(M) A A

Pyridine 50 Rt-60 A A A A A A C C C A A100 Rt-60 A A A A A A C C C A A

Seawater Rt B A A A A A A A A A ASodium bicarbonate 10 till 5 A A A A A A A A A A A

20 40-S A A A A A A A A(M) A(M) A Aall all A A A A A A A A A A A

Sodium bisulfate 10 Rt A A A A A A A A A A A10 S A B A A A A A A(M) A(M) A Asat. Rt A A A A A A A A A A Asat. S B B A A A A A A(M) B(M) A A

Sodium bisulfite 50 Rt A A A A A A A A A A A50 S A A A A A A A A(M) B(M) A A

Sodium carbonate 10 S B A A A A A A A(M) A(M) A A A20 Rt B A X A A A A A A A A A20 50-S B A X A A A A A(M) A(M) A A A50 Rt A X A A A A A A A A A50 S A X A A A A A(M) A(M) A A Asat. Rt B A X A A A A A A A A A

Sodium carbonate sat. S B A X A A A A B(M) A(M) A A ASodium chlorate 5 Rt A A A A A A A A A

5 S A X A A A A A(M) A(M) ASodium chloride pure Rt B A X A A A A A A A A

pure S B A X A A A A A(M) A(M) A ASodium chlorite 5 Rt B A A A C A A C C A

5 S C A X A C A A C C A10 Rt B A A A C A A C C A

Sodium hydroxide 10 Rt A A C C A A A A A A B A A10 150 A A C C A A A(M) A(M) A B/C A A20 Rt A A C C A A A A A A B/C A A20 150 A A C C A A A(M) A(M) B/C A A34 Rt A A C C A A A A A B/C A A34 150 C A C C A A A(M) A(M) A B/C A A50 Rt B A C C A A A A A B/C A A50 150 B B C C A A A(M) A(M) A B/C A A60 150 C B C C A A A A A B/C A A70 150 C B C C A A A(M) A(M) A B/C A A

Sodium hypochloride 10 g Rt A A A A A A B CCI/I10 g 50 A X A A A A C CCI/I20 g Rt A X A A A A B ACI/I

20 g 40 A X B A A A C CCI/I

120 g Rt B A X C A A A B ACI/I

120 g S A X C A A A C CCI/I

Sodium nitrate Rt A A A A A A A A A A A100 A A A A A A A A(M) A(M) A A

Sodium nitrIte 70 A A A A A A A A A100 A A A A A A A(M) A(M) A

Sodium peroxide 10 Rt A C A A A A B B A A10 S A C A A A A A(M) A(M) A A

Sodium sulfate sat. Rt A A A A A A A B B A Asat. S A C A A A A A B B A A

Sodium sulfide 25 Rt A A A A A A B(M) B A A25 S A A A A A A B C A A50 Rt A A A A A A B C A A50 S A A A A A A B(M) B A Asat. Rt A A A A A A B C A A

Sodium sulfite 25 Rt A A A A A A B C A A25 S A A A A A A B(M) C A A50 Rt A A A A A A A B C A A50 S A A A A A A A B(M) C A A

Sodium thiosulfate 25 Rt A A A A C A A A B A A A25 S B A A A C A A B(M) B(M) A A A

Sulfuric acid 2 Rt X X A X A A A A A A A A A2 S C X C B A A A(M) B(M) A A A A5 Rt X X A X A A A A A A A A A5 S C X C C A A A(M) B(M) A A A A10 Rt X X A X A A A C C A A A A

Sulfuric acid 10 S C B C C A A A(M) A(M) A A A A25 Rt C X A X A A A A A A A A A25 S C C C C A A B(M) B(M) A A A A50 Rt C B A X A A A A A A A A A50 S C C C C A A B(M) B(M) A A A A60 Rt C B A X A A A B B A A B A60 S C C C C A A C A A B A77 Rt C C A X A A A B B A A B A77 S C C C C A A C C A A B A80 Rt C C A X A A A C C A A B A80 S C C C A A C C A A B A85 Rt C A X A A A C C A A B A85 S C C C A A C C A A B A90 Rt X C A X A A A C C A A C A90 S C C C C A A C C A A C A96 Rt X C A X A A A C C A A C A

96 S C C C C A A C C A A C ASulfur monochloride Rt B C X A A A C CSulfur monochloride S B C X A A A C C Sulphurous acid sat. Rt A A A A A A C B C A ATannic acid 10 Rt A A X A A A A A A A A

10 S A A X B A A A B(M) B(M) A A50 50 A A X A A A A B B A A50 S A A X A A A A B(M) B(M) A A

Tartaric acid all Rt A A X A A A A A A A Aall S C A X B A A A A(M) A(M) A A

Tin chloride all Rt B A X A A A A A A Aall 150 C A X A A A C A(M) A A

Trichloroethylene Rt B A X A A A C C A A C AUric acid Rt A X A A A A A A AZinc chloride 10 Rt B A A A A A A A A A

10 S B A A A A A A A(M) B(M) A A20 Rt B A A A A A A B A A A20 S B A A A A A A B A A60 Rt B A A A A A A B(M) A A60 S B B A B A A A(M) B(M) A A100 S C C A B A A A(M) B(M)

LEGEND :A = Absolutely Resistant. AT = Ambient Temperature.B = Sufficiently Resistant. S = Boiling (Ambient pressure).C = Not Resistant. conc. = concentrated.X = Absolutely Resistant, but not recommended sat. = saturated.(M) = up to max. temperature limit of liner !