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Table for chemistry compatibi lity - 2 Pages

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Catalogue excerpts

TABLE FOR CHEMISTRY COMPATIBIUTY Acid amides Dimethylformamide (DMF), Acetamide, Formamide Acids, dilute or weak Acetic acid, Carbonic acid, Butyric acid Acids, strong or concentrated Hydrochloric acid, Sulfuric acid, Nitric acid, Trifluoroacetic acid (TFA) Alcohols, aliphatic Methanol, Ethanol, Butanol Aldehydes Formaldehyde, Ethanal, Hexanal Amines N-Methyl-2-pyrrolidone (NMP), Triethylamine Bases Sodium hydroxide, Potassium hydroxide, Ammonia Esters Ethyl acetate, Butyl formate, Amyl butyrate Ethers Diethyl ether, Tetrahydrofurane, Dioxane Hydrocarbons, aliphatic Pentane, Hexane, Heptane Hydrocarbons, aromatic Benzene, Toluene, Xylene Hydrocarbons, halogenated Methyl chloride, Chloroform, Ethylene chloride Ketones Acetone, Cyclohexanone Oxidizing acids, oxidizing agents Ozone, Hydrogen peroxide, Chlorine Sulfoxides Dimethyl sulfoxide (DMSO) Head cover and clamping disc are made of thick walled molded ETFE with metal core for unsurpassed long-term performance Well-proven PTFE sandwich diaphragms for increased reliability and extended service life Inlet and outlet flapper valves are made of FFKM or PTFE for both highest leakage tightness and best chemical resistance Valve connectors are made of ECTFE for an optimum of thermal, mechanical and chemical resistance Internal tubing and fittings made of PTFE/ETFE/ECTFE compounds PTFE: POLYTETRAFLuOROETHYLENE ETFE: Ethylene TETRAFLuOROETHYLENE ECTFE: ETHYLENE CH LOROTRI FLuO RO ETHYLEN E FFKM: PERFLuORO ELASTOMER PTFE    ETFE/    FFKM VACUUBRAND GMBH + CO KG T +49 9342 808-5550 Alfred-Zippe-StraRe 4    F +49 9342 808-5555 Germany    www.vacuubrand.com CHEMISTRY COMPATIBILITY of VACUUBRAND Chemistry Diaphragm Pumps Fy excellent chemical resistance n GOOD TO LIMITED CHEMICAL RESISTANCE n POOR CHEMICAL RESISTANCE

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UNCOMPROMISING CHEMISTRY DESIGN FOR DIAPHRAGM PUMPS Fluoropolymers and perfluoro elastomers are materials containing fluorine atoms in their chemical structures. Due to their outstanding chemical resistance and their extremely low surface energy - for low material adhesion -VACUUBRAND uses these materials for all media-contacted parts in their chemical diaphragm vacuum pumps. One of the most distinguishing properties of PTFE is its outstanding chemical resistance, except for some extreme conditions such as molten alkali metals or elemental fluorine. Basically PTFE is not soluble in any organic...

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All Vacuubrand catalogues and technical brochures

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