O-Ring Fluid Compatibility Guide - P's

(for reference only)

1 = Recommended 2 = Probably Satisfactory 3 = Marginal 4 = Not Recommended

Chemical/Media	Perfluoro- elastomer	Viton® ETP	Aflas® TFE/P	Viton® FKM	EPDM P.C.	Buna-N NBR	Silicone	Fluoro- silicone
p-Aminoazobenzene	1	-	-	-	-	-	-	-
p-Aminobenzoic Acid (PABA)	1	2	1	2	2	4	-	-
p-Aminophenol	1	-	-	-	-	-	-	-
p-Benzylphenol	1	-	-	-	-	-	-	-
p-Chlorophenol	1	-	-	-	-	-	-	-
p-Chlorotoluene	1	1	-	1	4	4	4	2
p-Cymene	1	1	-	1	4	4	4	2
p-Dichlorobenzene	1	1	3	1	4	4	4	2
p-Nitroaniline	1	-	-	-	-	-	-	-
p-Nitrobenzoic Acid	1	-	-	-	-	-	-	-
p-Nitrophenol	1	-	-	-	-	-	-	-
p-Nitrotoluene	1	-	-	-	-	-	-	-
p-Phenylenediamine	1	-	-	4	-	-	-	-
p-tert-Butylcatechol	1	1	1	1	2	4	-	1
p-tert-Butylphenol	1	-	-	-	-	-	-	-
p-Toluidine	1	-	-	-	-	-	-	-
p-Tolylaldehyde	1	-	-	-	-	-	-	-
Paint Thinner-DUCO	1	2	3	2	4	4	4	2
Palmitic Acid (Hexadecanoic Acid)	1	1	1	1	2	1	4	1
Par-al-Ketone	2	4	4	4	4	4	4	4
Paraffins	1	-	-	-	-	-	-	-
Paraldehyde	1	-	-	-	-	-	-	-
Parathion	1	-	-	-	-	-	-	-
Peanut Oil	1	1	1	1	3	1	1	1
Pelargonic Acid	1	-	-	-	-	-	-	-
Penicillin	1	-	-	-	-	-	-	-
Pentachloroethane	1	-	-	-	-	-	-	-
Pentachlorophenol	1	-	-	-	-	-	-	-
Pentaerythritol	1	1	1	1	1	1	-	-
Pentaerythritol Tetranitrate (PETN)	1	-	-	-	-	-	-	-
Pentafluoroethane (FC 125)	2	-	-	-	-	-	-	-
Peracetic Acid	1	-	-	-	-	-	-	-
Perchloric Acid	1	1	1	1	2	4	4	1
Perchloroethylene	1	1	4	1	4	2	4	2
Petrolatum	1	-	-	1	4	1	4	1
Petroleum < 121 C/250 F	1	1	1	1	4	1	2	2
Petroleum > 121 C/250 F	1	2	2	2	4	4	4	4
Petroleum, Crude	1	1	1	1	4	1	4	1
Phenethyl Alcohol	1	-	-	-	-	-	-	-
Phenetole	1	4	4	4	4	4	4	4
Phenol	1	1	1	1	4	4	4	2
Phenolsulfonic Acid	1	1	-	1	-	-	-	-
Phenyl Acetate	1	-	-	-	-	-	-	-
Phenyl Ethyl Ether	1	4	4	4	4	4	4	4
Phenylacetamide	1	-	-	-	-	-	-	-
Phenylbenzene	1	1	3	1	4	4	4	2
Phenylhydrazine	1	1	1	1	4	4	4	-
Phenylmercuric Acetate	1	-	-	-	-	-	-	-
Phorone	1	4	4	4	1	4	4	4
Phosgene	1	-	-	-	-	-	-	-
Phosphine	1	-	-	-	-	-	-	-
Phosphoric Acid (20%)	1	1	1	1	1	4	3	2
Phosphoric Acid (80%)	1	1	1	1	1	4	4	3
Phosphoric Etchants	1	-	-	-	-	-	-	-
Phosphorous Oxychloride	1	-	-	-	-	-	-	-
Phosphorous Tribromide	1	-	-	-	-	-	-	-
Phosphorous Trichloride	1	1	1	1	1	4	-	1
Phosphorus, Molten	1	-	-	-	-	-	-	-
Phthalic Acid	1	-	-	-	-	-	-	-
Phthalic Anhydride	1	4	3	4	2	3	-	-
Pickling Solution	1	2	2	2	3	4	4	4
Picric Acid	1	1	-	1	2	2	4	2
Pine Oil	1	1	-	1	4	1	4	1
Pine Tar	1	-	-	-	-	-	-	-
Pinene	1	1	1	1	4	2	4	1
Piperazine	1	-	-	-	-	-	-	-
Piperidine	1	4	-	4	4	4	4	4
Piranha	1	-	-	-	-	-	-	-
Plating Solution, Chrome	1	1	1	1	2	4	4	2
Plating Solution, Others	1	1	1	1	1	1	4	-
Polyethylene Glycol	1	3	1	3	1	2	-	-
Polyglycerol	1	-	-	-	-	-	-	-
Polyvinyl Acetate Emulsion	1	3	1	3	1	1	-	-
Potassium Acetate	1	4	-	4	1	2	4	4
Potassium Bicarbonate	1	-	-	-	-	-	-	-
Potassium Bifluoride	1	-	-	-	-	-	-	-
Potassium Bisulfate	1	-	-	-	-	-	-	-
Potassium Bisulfite	1	-	-	-	-	-	-	-
Potassium Bitartrate	1	-	-	-	-	-	-	-
Potassium Bromide	1	-	-	-	-	-	-	-
Potassium Carbonate	1	-	-	-	-	-	-	-
Potassium Chlorate	1	-	-	-	-	-	-	-
Potassium Chloride	1	1	1	1	1	1	1	1
Potassium Chromate	1	-	-	-	-	-	-	-
Potassium Citrate	1	-	-	-	-	-	-	-
Potassium Copper Cyanide	1	1	1	1	1	1	1	1
Potassium Cyanate	1	-	-	-	-	-	-	-
Potassium Cyanide	1	1	1	1	1	1	1	1
Potassium Dichromate	1	1	1	1	1	1	1	1
Potassium Ferricyanide	1	-	-	-	-	-	-	-
Potassium Fluoride	1	-	-	-	-	-	-	-
Potassium Glucocyanate	1	-	-	-	-	-	-	-
Potassium Hydroxide	1	1	1	4	1	2	3	3
Potassium Iodide	1	-	-	-	-	-	-	-
Potassium lodate	1	-	-	-	-	-	-	-
Potassium Nitrate	1	1	1	1	1	1	1	1
Potassium Nitrite	1	-	-	-	-	-	-	-
Potassium Oxalate	1	-	-	-	-	-	-	-
Potassium Perchlorate	1	-	-	-	-	-	-	-
Potassium Permanganate	1	-	-	3	-	-	-	-
Potassium Peroxide	1	-	-	-	-	-	-	-
Potassium Persulfate	1	-	-	-	-	-	-	-
Potassium Phosphate, Dibasic	1	-	-	-	-	-	-	-
Potassium Pyrosulfate	1	-	-	-	-	-	-	-
Potassium Silicate	1	-	-	-	-	-	-	-
Potassium Sodium Tartrate	1	-	-	-	-	-	-	-
Potassium Stannate	1	-	-	-	-	-	-	-
Potassium Stearate