Itric acid resistant materials pdf

S s oxygen 100% s l ozone 100% l u p petroleum kerosene s l phenol sol s s. This brochure summarizes the corrosion resistance data accumulated in over forty years of laboratory testing and application experience. The following table contains an evaluation of chemical resistance to a. Zirconium can tolerate a wide range of acid mixtures containing both nitric acid and sulfuric acid. Show this safety data sheet to the doctor in attendance.

This provides greatly enhanced resistance to sulfuric acid. R resistant sw swelling occurs a slowly attacked not recommended for long term storage. A general guide for selection of gasketing material, rev. The compositions of the alloys mentioned are shown in table 1. Electroless nickel a nickel coating containing 510% phosphorous. Acetic acid 10% a a a a a a a b x b a a b acetic acid 20% b a a a a a a b c b a b a. With this combination of high thermal stability and excellent chemical resistance, the kalrez perfluoroelastomer parts rating may be conservative, as actual field experience and the example above have. Where condensation of sulfurbearing gases occurs, these alloys are much more resistant than. Abs compatibility guide our products can be exposed to a huge. Bgood indicates that the material is slightly affected but. Chemical resistance chartchloric acid resistance information p3 issue 1 july 2018 20 40 60 20 40 60 20 40 60 20 60 100 20 40 60 20 60 100 120.

Generally, we assume no guarantee since the function and durability of the products are largely dependent. They are also affected by 98% sulfuric acid at 60c 140f and fuming nitric acid and liquid bromine at room temperatures. Resistance information p1 issue 1 july 2018 ammonium. Chemical resistance chart acetaldehyde alcohols propyl chemical resistance data these recommendations are based upon information from material suppliers and careful examination of available published information and are believed to be accurate. Using the material under these conditions is not recommended. June 2017 if fire resistant gaskets are required please consult fire tests under gasket terms, or contact applications engineering. Exposure to concentrated nitric acid or acid at a high temperature can cause intense attack in particular areas on the surface of a metal, also known as pitting. Nickel containing alloys in hydrofluoric acid, hydrogen fluoride. Nitrating acid s15% h2so4 aexcellent nitric acid 20% aexcellent nitric acid 50% aexcellent nitric acid 510% aexcellent nitric acid concentrated aexcellent nitrobenzene aexcellent nitrogen fertilizer aexcellent nitromethane aexcellent nitrous acid aexcellent nitrous oxide aexcellent oils. Corrosion resistant materials stainless steel hastelloy inconel elgiloy carbon steel aluminum titanium brass aluminum bronze chemical 302 304 316 316l 316lvm c276 x750 12614 leadloy. Acidresistant organic coatings for the chemical industry. Due to its strongly oxidising nature, hno3 nitric acid attacks most metals, causing localised corrosion issues. For the list of chemical resistance, following legend is valid. However, they cannot replace suitability testing performed by the user under actual working conditions.

Chemical compatibility chart metallic materials used. Polypropylene chemical resistance guide hmc polymers. The information is intended as a general guide for material selection. Information regarding the chemical resistance of the unlisted materials is available.

Chemical resistance chart acetaldehyde alcohols propyl. All chemical resistance data for ethylene propylene epdm and fluorocarbon fkm contained within this manual has been provided, with written consent, by parker hannifin corporation. Select gloves which are resistant to the chemicals you may be exposed to. Chemical resistant materials are required for various uses and in many environmental conditions. Chemical resistance table the recommendations in this table should serve as a guide for selecting suitable materials and types. Topsilml 1 topgraph 2000 c4106 c4300 c4400 c44304433 c4500 c6307 c8200 c4408 c4409 c4509 calcium chloride calcium hydroxide calcium hypochlorite calcium sulfate carbolic acid 100% phenol carbon dioxide carbon disulfide carbon. Dupont kalrez chemical resistance and fluid compatability.

Stellite 6 exhibits excellent corrosion resistance because it is a cobaltbase alloy containing about 28% cr with tungsten. Amyl acetate formaldehyde nitroethane sulfurous acid. A guide to chemical resistance of engineering plastics. Variables that can affect chemical resistance include chemical concentration, temperature, pressure, external stress and final product quality. The chemical resistance table should be used for reference only. All chemical resistance data for polypropylene pp contained within this manual has been provided, with written consent, by. Materials with high chemical resistance in many unfavorable environments can improve the efficiency and productivity of the industry while reducing the necessity for component spare parts and making the development more profitable. If a material is chemically resistant to the concentrated form of a specific chemical, it should be resistant to the diluted form of that same chemical. Such resistance however, is a function both of temperatures and concentration, and there are many reagents which can be handled for limited temperature ranges and concentrations.

Stainless steel exception for nitric acid, stainless steel 304 is often used in a. S nitric acid 25% s s nitric acid 50% s u nitric acid 75% u u nitric acid 100% u u o oils and grease s l oleic acid 100% s l orthophosphoric acid 50% s s orthophosphoric acid 95% s l oxalic acid sat. Because dupont kalrez has outstanding chemical resistance, it withstands nearly all classes of chemicals. Amyl acetate formaldehyde nitroethane sulfurous acid antimony salts formamide nitrogen oxides tannic acid arsenic salts formic acid nitrous acid tanning extracts barium salts glucose oils, animal trisodium phosphate benzoic acid glycerins oils. Laboratory studies phosphoric acid is a major chemical product. Boiling point of 68% nitric acid most mixtures of nitric acid and other mineral acids do not pose a problem for zirconium. Highperformance alloys for resistance to aqueous corrosion. Some examples of chemical resistant gloves include. Poor resistance acid 88% formic acid 30% ammonium hydroxide 70% nitric acid 95% sulfuric acid hydrofluoric acid hf nitrile glove chemicalcompatibility reference disposable nitrile gloves do not provide protection against these highly corrosive chemicals. In addition, the nickelbased alloy 690 uns n 06690 has been described 2 as a material of special interest where an increased resistance to nitric acid is required or when hydrofluoric acid is added to nitric acid. Types 316 and 316ti are considerably more resistant than any of the other chromiumnickel types to solutions of sulfuric acid. Chemical resistance guide gilson engineering sales.

Ferric and cupric chlorides, hot contaminated mineral acids, solvent, chlorine and inorganic and organic acids, sea water and brine solutions resistant to pitting and stress corrosion. Dsevere effect indicates that the material should not be used under any. The compositions of the alloys mentioned are shown in. This does not consider permeability of glove, chemical combinations, temperature, length of time that glove is in contact with the chemical and thickness of. Chemical resistance chart for various pump materials. The ratings are intended as a guide only, and not as an alternative to actual testing. Nitric acid 25 organic acids 26 corrosion by alkalies 28 corrosion by salts 31. Santoprene is a thermoplastic rubber designed to offer chemical resistance equivalent to neoprene. Where aqueous solutions are shown the concentration as a weight % is given. Layered composite material pipe may have chemical resistance that differs from the chemical resistance of the individual material. Hn0 3 and hn0 3 hf mixtures which are encountered in reprocessing of nuclear fuel.

Here you find statements on the resistance of every klinger gasket material. Mar 18, 2017 due to its strongly oxidising nature, hno3 nitric acid attacks most metals, causing localised corrosion issues. Chemical resistance an overview sciencedirect topics. The following table gives recommended materials for chemically resistant gloves for work involving a variety of chemicals.

Added consideration must be given to pump selections when the chemical is abrasive, viscous in nature, or has a. Layered composite material pipe may have chemical resistance that differs from the chemical. I would expect no significant corrosion problems with this hardfacing material in an oxidizing acid solution, like nitric acid. Ammonium hydroxide fluosilicic acid nitric acid 10% sulfuric acid, dil. Consult the relevant material safety data sheet msds which may recommend a particular glove material. Butyl gloves are made of a synthetic rubber and protect against a wide variety of chemicals, such as peroxide, rocket fuels, highly corrosive acids nitric acid, sulfuric acid, hydrofluoric acid and redfuming nitric acid, strong bases, alcohols, aldehydes, ketones, esters and nitrocompounds. Nitric acid nitric acid 70% f nr g f nitric acid red fuming p nr nr p nitric acid white fuming p nr nr p.

Since the number of possible use conditions is so large, the final decision regarding material suitability often must be based on inservice testing and direct communications with the piping manufacturer. According to the test results available so far, resistance to corrosion in boiling azeotropic 67%hn0 3 is about 6 and 2 times superior to aisi 304 l and 310 l. After a short time, the material is seriously affected considerable reduction of the mechanical strength and changes in weight. In addition, coating degradation phenomena, caused by acid exposure, are mapped to the extent possible, and analysis methods for detecting coating degradation type and severity are listed and discussed. Nicotinic acid 250 120 nitric acid 50% 221 105 nitric acid conc. Bgood indicates that the material is slightly affected. Due to its composition of high quality raw materials, this particular grade is used in petrochemical, chemical, food resistance. It also has a high chromium content, to maximize its. The corrosion resistance of zirconium in nitric acid with various impurities is given in table 2. Titanium has gained acceptance in many media where its corrosion resistance and engineering properties have provided the corrosion and design engineer with a reliable and economic material. Acid, nitric 65% a a a a a a na na na na na na na acid, nitric 100% nr nr a. Nitric acid 7697372 65 70% all concentrations are percent by weight unless ingredient is a gas. C cautionary although the chemical resistance of the material may be good. In the hn03 extrac tion process studied by the bureau, acid concentrations range up to 50 pct and temperatures to 120 c.

Aqueous solution conc concentrated aqueous solution sat saturated aqueous solution no data available. Layered composite material pipe may have chemical resistance that differs from the chemical resistance of the. Chemical resistance guide primary fluid systems inc. The ratings for these materials are based upon the chemical resistance only. A copperbearing nicrmo material with exceptional resistance to sulfuric acid hastelloy c2000 alloy uns n06200 is unique among the versatile nickelchromiummolybdenum materials in having a deliberate copper addition. Abs is resistant to a wide variety of materials ranging from sewage to household chemicals. Added consideration must be given to pump selections when the chemical is abrasive, viscous in nature, or has a specific gravity greater than 1. The metallic differences may be due to metallic structure as well as composition. Dimersil 40 is premium quality carbon bibre material with a high quality nitrile rubber binder. Material is suitable for elevated temperatures and steam applications, exhibiting excelent gas sealability. Stainless steel type 316ti lawrence berkeley national. They were prepared carefully and are intended as first guideline for users of plastic materials, i. Generally, we assume no guarantee since the function and durability of the products are largely dependent on factors which cannot be influenced by the manufacturer. The concentration limit of 20% hydrochloric acid is the azeotrope, beyond which high temperature corrosion tests are less reliable.

Corrosion resistance of selected ceramic materials to. The less noble material becomes anodic while the more noble becomes cathodic. Chemical compatibility chart metallic materials used in bal. Rt nitro benzene nmethyl2pyrrolidone npropyl alcohol phosphoric acid 85% potassium hydroxide sodium hydroxide 40% sodium hydroxide 50% styrene sulphuric acid 96% tetrachloroethylene tetrahydrofurane toluene trichloroethylene trimethyl phosphate turpentine oil xylene 141786 6417. The corrosion data were obtained using generally acceptable testing. However, since the resistance of metals, plastics and elastomers. This chemical resistant chart is presented as a guide only. The anodic material actually protects the cathodic leading to its own accelerated decay. Corrosion resistance of selected ceramic materials to nitric acid. For chemical resistance for mag 1100mag 1100 f dn10100 platinium with goldtitanium brazing alloy electrode please also refer to titanium.

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