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Body Material | ||||||||
Nom Chimique | Symbole Chimique | CI | WB | CS | SS | GM | HAZARD | Remarques |
O | ||||||||
Oils, Essential | + | + | + | + | + | (1) | Check 'O' seal compatibility with specific oil and possible solvent. Generally SS preferred. | |
Oils, Mineral | + | + | + | + | + | (1) | Also see gasoline & diesel oil. Possible problems with 'waxing' at high viscosities and low temperatures. Possibility of hydrogen sulphide stress cracking in crude oils with steel (See NACE MR 0175) | |
Oils, Vegetable & Animal | + | + | + | + | + | (1) | Generally EP 'O' seals are not compatible. Do not use Nitrile with rapeseed or pine oil. SS usually preferred for perfumery and food products. | |
Oleic Acid | + | 2 | PFA encapsulated or Viton seals. Single or Y-Type filters only. Monel or Hastelloy elements. | |||||
Oleum | See Sulphuric acid. | |||||||
Olive oil | + | + | + | + | + | 2 | Stainless steel usually preferred. | |
Oxalic Acid | HOOCCOOH.2HOH | + | (1) | Single or Y-Type filters only. Corrosion may be expected at high temps/concentrations. Monel baskets | ||||
Oxygen | O2 | + | + | G1 | Viton 'O' rings. OV only. Special cleaning required prior to use. Only SS at elevated temperatures. | |||
Ozone | O3 | + | + | G1 | Viton 'O' rings. OV only. Special cleaning required prior to use | |||
P | ||||||||
Paint | + | + | + | + | + | Non-specific term. Includes water based and solvent based paint. See Notes 1 & 2 for water base paint. Confirm compatibility of 'O' seals with solvent base paints. Agitation (or Rotor blade scf) may be ideal. | ||
Palm oil | + | + | + | + | + | 2 | ||
Palmitic acid | CH3(CH2)14COOH | + | 2 | Check 'O' seal compatibility with solvent. | ||||
Paraffin | + | + | + | + | + | (1) | ||
Paraffin Wax | + | + | + | + | + | 2 | ||
Peanut oil | + | + | + | + | + | 2 | Stainless steel usually preferred. | |
Pentane (n-pentane) | CH3(CH2)3CH3 | + | + | + | + | + | 1 | |
1-pentanol | CH3(CH2)4OH | See Amyl alcohol | ||||||
Petroleum Spirits (Petrol) | See 'Gasoline' | |||||||
Phenol | C6H5OH | + | (1) | Viton 'O' rings. | ||||
Phosphoric Acid | H3PO4 | + | (1) | Special cocks in dual filters. Some corrosion at high concentrations/temps. Monel baskets preferred. | ||||
Phthalic acid | C6H4(COOH)2 | + | 2 | Phthalic acid is a solid - confirm compatibility with solvent. Special cocks in dual filters. | ||||
Phthalic anhydride | C6H4(CO)2O | + | 2 | Phthalic anhydride is a solid - confirm compatibility with solvent. Special cocks in Dual filters. | ||||
Picric Acid | C6H2(NO2)3OH | + | 1 | Do not use Dual filters. | ||||
Pine Gum & Oil | + | 1(50) | CI & CS could be used. Viton 'O' seals preferred. | |||||
Pitch | + | + | + | 2 | Heating jacket usually required. High sulphur content may require NACE MR 0175 to prevent hydrogen sulphide stress cracking. | |||
Polyol | + | + | + | + | + | (1) | ||
Potassium Alum | AlK(SO4)2 | + | 2 | Dual filters only on low concentrations and with special cocks. | ||||
Potassium Bicarbonate | KHCO3 | + | + | + | + | + | 2 | See Note 1 & 2. |
Potassium Carbonate | K2CO3 | + | + | + | 2 | See Note 1 & 2. | ||
Potassium Chlorate | KClO3 | + | (1) | See Note 1 & 2. Other materials could be used at low concentrations. Special cocks in Dual filters. | ||||
Potassium Chloride | KCl | + | 2 | Only suitable at low concentrations/ low temperatures. | ||||
Potassium Chromate | K2CrO4 | + | + | + | + | + | (1) | See Note 1 & 2. |
Potassium Cyanide | KCN | + | + | + | 1 | CI & CS for OV filters only. Special cocks in Dual filters. | ||
Potassium Diphosphate | KH2PO4 | + | + | + | + | + | 2 | |
Potassium Ferricyanide | K3Fe(CN)6 | + | 2 | |||||
Potassium Hydroxide | KOH | + | + | + | 2 | EP 'O' rings. CI & CS OV to 7% max at 30°C max.. SS OW to 25% max. SS OV only at higher concentrations. Do not use anaerobic adhesives. See Note 1 & 2. | ||
Potassium Permanganate | KMnO4 | + | + | + | + | + | (1) | See Note 1 & 2. |
Potassium Phosphate | KH2PO4 | + | + | + | + | + | 2 | |
Potassium Sulphate | K2SO4 | + | + | + | + | + | 2 | GM, CS, CI & WB suitable only at low temp. See Note 1 & 2. Special cocks required in dual filters. |
Propane | C3H8 | + | + | + | + | G1 | OV or Y-Type filters only. (Liquifiable gas) | |
Propionic Acid | CH3CH2CO2H | + | 2 | Nitrile seals | ||||
Propylene (Propene) | CH3CH:CH2 | + | + | + | + | G1 | Viton 'O' seals. OV or Y-Type only. (Liquifiable gas) | |
Propylene Glycol | CH3CHOHCH2OH | + | + | + | + | + | 1(99) | |
Propylene Oxide | CH3CHCH2O | + | + | 1 | EP 'O' rings | |||
Prussic acid | See Hydrocyanic acid | |||||||
Pyradine | N(CH)5 | + | + | + | 1 | EP 'O' seals. |