Viton is resistant to many hydrocarbons and is best to use with chemicals in the petroleum industry. Chemical compatibility plastic material chart for pa66. Corrosion resistance of the austenitic chromiumnickel stainless steels in chemical environments interpreting corrosion test data the quantitative data secured in corrosion tests are. On the influence of carbonic acid in the air upon the. The relation between the corrosion rate of steel in carbonic acid and the co 2 partial pressure was determined by means of weight loss and polarization resistance measurements. Chemical compatibility chart metallic materials used in bal seal products technical report tr60c rev. It was found that a significant improvement in acid resistance can be achieved by carefully controlled use of fine supplementary cementitious materials. If you are unsure of the compatibility of your chemical, we recommend testing a sample of the material in question with. Dsevere effect acetic acid 20% bgood acetic acid 80%. B good minor effect, slight corrosion or discoloration. Aqueous solution conc concentrated aqueous solution sat saturated aqueous solution no data available. Begin compatibility search with a chemical or material. Columns at right list various pump materials, and their resistance to the chemicals are rated by a letter code.
If you are looking for an oil resistant rubber, neoprene is a good choice and it also has a temperature resistance of up to 200 degrees fahrenheit f. Chemical material compatibility table ratings a excellent a1 excellent resistance chart for concrete ambient temperature and maximum concentration apply, unless otherwise noted. It counts as one of the most chemically resistant materials. Added consideration must be given to pump selections when the. The materials shown below in boldface type are used in the construction of little giant chemical pumps. Polypropylene chemical resistance guide hmc polymers. Corrosion resistant materials stainless steel hastelloy inconel elgiloy carbon steel aluminum titanium brass. Materials in this chart are sorted alphabetically and rated by level of resistance to chemical exposure. The hydration product structure on the cement surface is destroyed and calcium is leached out during carbonic acid leaching. Carbonic acid b b2 a1 a cellulose acetate a chloral hydrate d d chlorine water c b1 d chlorine anhydrous liquid c d c d chlorine dry b d d chloroacetic acid a d d c1 chlorobenzene mono d c1 d c1 chlorobromomethane a a chloroform d c1 d c1 chlorosulfonic acid d d c1 d chromic acid 5% a a b d chromic acid 10% a a b d. Carbonic acid is an inorganic compound with the formula h2co3. It is an aa a name whiles gien tae solutions o carbon dioxide in watter carbonatit watter, acause sic solutions contain smaa amoonts o h 2 co 3. June 2017 if fire resistant gaskets are required please consult fire tests under gasket terms, or contact applications engineering.
Ieaghg, corrosion and selection of materials for carbon capture and storage, 201003, april. C fair moderate effect, not recommended for continuous use. Jun 07, 2012 choosing the right materials of construction for process hardware and equipment is crucial for achieving desired service life. Chemical compatibility chart metallic materials used in bal. Chemical resistance chart acetaldehyde alcohols propyl. The effects of carbonic acid on steel it still runs. The corrosion tables provide an initial guide to the selection of materials and are intended to facilitate understanding of the different types of corrosion. Metals and corrosion resistance engineering toolbox. Carbonic acid, while relatively weak when compared with other acids, can cause corrosion depending on the chemical composition of the material. Throughout this paper, arrhenius refers to carbon dioxide as carbonic acid in accordance with the convention at the time he was writing. Ml18006 0608 73 section 7 chemical compatibility guide. Carbonic acid g g castor oil g g chloral hydrate x x chloramine g g chlorine, wet x. Chemical resistance table chemical or material conveyed butyl cpe epdm csm tpcet natural neoprene nitrile nylon sbr tpv ptfe uhmw urethane fkm xlpe. However, subtle changes in stream composition or conditions often can profoundly affect corrosion rate and even foster a different corrosion mechanism.
The main reason for the increased acid resistance of the concrete investigated was the formation of a very dense hardened cement paste and aggregate interface with very low porosities. Carbonic acid a a a a a a a a a a a a a carbonyl sulfide a a a a a c c c c c c. The information in this chart has been supplied to coleparmer by other reputable sources and is to be used only as a guide in selecting equipment for appropriate chemical compatibility. The corrosion tables provide an initial guide to the selection of materials and are intended to facilitate understanding of the different types of corrosion damage that can arise due to poor material selection. Viton withstands high temperature better than most other elastomers, and retains its good mechanical properties. Caprolactam discolored by contact with aluminum alloys. An acidresistant, thermoplastic resin composition which is nonpoisonous and nonhalogen and has an acidresistance for a long period of time, the acidresistant, thermoplastic resin composition containing a thermoplastic resin, 30 to 70% by weight of magnesium hydroxide which has a specific surface area of 20 m 2 g or less and an average secondary particle diameter of 0. The chemical resistance information presented has been compiled and edited by the tlargi committee. An x indicates that the material is not recommended. However, since the resistance of metals, plastics and elastomers.
Chemical resistance chart aluminum chloride beer 302 stainless steel 304stainless steel 316 stainless steel 440 stainless steel um anium y c e ass cast iron carbon steel kynar ype 1 ygon e3606 eflon yl acetal nylon cycolac abs ylene opylene n carbon ceramic gnet a on una n nitrile silicon neoprene ylene epm al xy. Acceptable combinations of more or less aggressive fluids and commonly used materials are indicated below. Strong acid corrosion of carbon steel involves reaction between iron and hydrogen ions and hence is dependent largely on ph. The farther apart the materials are in the series,the greater is the likelihood of. Chemical resistance chart for metal ambient temperature and maximum concentration apply, unless otherwise noted. Carbonic acid is the chemical compoond wi the formula h 2 co 3 equivalently ocoh 2. The anodic material actually protects the cathodic leading to its own accelerated decay. Hpht condition facilitates acid attack on well cement.
Corrosion tables the corrosion data in this section is mainly based on the results of general corrosion laboratory tests, which are not strictly comparable with actual service conditions. Corrosion resistance of copper and copper alloys cda publication no 106 data supplied by copper development association for publication elsewhere as part of a table covering a wide range of materials an r indicates that the material is resistant to the named chemical up to the temperature shown, subject to limitations indicated by the footnotes. Usually, economics dictate the use of materials that will corrode, but at an acceptable rate, in the given service. Data supplied by copper development association for publication elsewhere as part of a table covering a wide range of materials an r indicates that the material is resistant to the named chemical up to the temperature shown, subject to limitations indicated by the footnotes. When the carbonic acid comes into contact with a small location on the steel, the acid dissolves the steel into free ions, causing that location to become positively charged.
Corrosion resistant alloys from the special metals group of companies 4 alloy selection for corrosive environments 11 corrosion by acids 12 sulfuric acid 12 hydrochloric acid 17 hydrofluoric acid 20 phosphoric acid 22 nitric acid 25 organic acids 26 corrosion by alkalies 28 corrosion by salts 31 atmospheric corrosion 35 corrosion by waters 37. Epdm is extremely resistant to many chemicals such as acetaldehyde, acetamide, and ammonia. The absence of any class indication for any given materials, signifies the absence of data for such materials with respect to the specific chemicals, temperatures and concentrations. Hdpe chemical resistance guide silverline plastics. Tpu chemical resistance chart ratings guide good should have little or no effect on the material at the given concentration and temperature.
Do not use viton with acetone, esters, amines, organic acids, acetic acid, mek, ethyl acetate, highly polar chemicals, etc. Nov 16, 2017 carbonic acid is an inorganic compound with the formula h 2 co 3. Carbonic acid b aad b catsup ad cb a chloracetic acid2 dc a da b chloric acid da d chlorinated glue adc a c b. Chemical resistance chart rubber chemical resistance. Corrosion resistance of aluminium and aluminium alloys wiley. After caustic addition, the carbonic acid will be converted. A major problem in process industry is corrosion of metals in pipes, valves and other parts of the constructions. It exists only in the form of its salts carbonates, acid salts hydrogen carbonates, amines carbamic acid, and acid chlorides carbonyl chloride. The ratings for these materials are based upon the chemical resistance only. Chemical resistance of aluminium item international. Aluminum chemical compatibility chart ver 07jan2018 industrial specialties mfg. Chemical resistance chart ratings chemical effect a no effectexcellent. Chemical resistance of aluminium in contact with important agents.
The data given should be used cautiously, and as a guide only. Also the ambient conditions must not be neglected where it is most important that humidity be considered. In physiology, carbonic acid is described as volatile acid or respiratory acid because it is the only acid excreted as a gas by. Carbonic acid, a compound of the elements hydrogen, carbon, and oxygen.
It is formed in small amounts when its anhydride, carbon dioxide, dissolves in water. This relation is compared with that expected for completely dissociated acids, and appears to be significantly different. However, since the resistance of metals, plastics and elastomers can be affected by. 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. Hdpe chemical resistance guide these abbreviations are used in the following chemical resistance guide. Corrosion and degradation depend on many parameters. Under refluxing conditions was corrosive to aluminum alloys. Chemical resistance of sigraflex sealing materials sgl carbon. Chemical compatibility chart metallic materials used. Our products can be exposed to a huge variety of chemicals. Where aqueous solutions are shown the concentration as a weight % is given.
Chemical resistance chart for various pump materials. The information in this chart has been supplied by reputable sources and is to be used only as a guide in selecting equipment for appropriate chemical. Pdf carbonic acid resistance of hydroxyapatitecontaining. Pure amines are not generally corrosive due to the high alkalinity, but in the presence of acid gases, the corrosivity is largely determined by the stability of protective scales. Oil and chemical resistance are also essentially unaffected by elevated temperatures. Safety data sheet according to 29cfr19101200 and ghs rev. C has limited resistance only and many be suitable for some conditions swelling between. Chemical compatibility plastic material chart for pa66, peek. Carbonic acid carbon tetrachloride resistant at ambient temperature, whereas, boiling carbon tetrachloride was corrosive.
Understanding differences of boiler feedwater pretreatment. All chemical resistance data for polyvinylidene fluoride pvdf contained within this manual has been provided, with written consent, by arkema inc. The addition of 5% hydroxyapatite noticeably improved the carbonic acid resistance of class h cement in the temperature range of 38 to 177c. Viton withstands high temperature better than most other elastomers, and retains its good mechanical. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application. Acid, carbonic, aqueous q q a a a a nr na na na na na na acid, chloroacetic a a a. Here are some guidelines for evaluating its resistance to a wide range of chemicals. Chemical resistance chart overview use this chemical resistance list to help find the right chemically resistant sensor for your application. Pp chemical resistance hmc polymers polypropylene resins, like most polyole. The data table below is an application guide, and indicates the. Bringing together the widespread information on the topic, this handbook and ready reference is clearly structured according to the various media that can corrode and damage aluminium and aluminium compounds, while also discussing methods of prevention. General chemical resistance guide for various elastomers. Temperature pressure concentration impurities phvalue materials and surfaces characteristics joinings e. Information regarding the chemical resistance of the unlisted materials is available on request.
With its coverage of multitalented compounds and energysaving materials, this is a musthave for all those working in. Many factors, including temperature, concentration and mechanical load, can influence. Chemical compatibility plastic material chart for pa66, peek, pps, pvdf and pom pa66 polyamide 66 peek polyetheretherketone pps polyphenylene sulphide. Chemical compatibility plastic material chart for pa66, peek, pps, pvdf and pom pa66 polyamide 66 peek polyetheretherketone pps polyphenylene sulphide pvdf polyvinylidene fluoride pom polyoximethylene acetal ratings chemical effect a excellent. Page 1 of 20 pvc chemical resistance chart ratings guide good should have little or no effect on the material at the given concentration and temperature moderate some effect on the material at the given concentration and temperature. Carbonic acid is a chemical compound with the chemical formula h 2 co 3 equivalently. Co 2 corrosion involves a similar reaction but also reaction with carbonic acid so that it is not ph alone which determines corrosion rate. R generally resistant swelling was less than 3% or observed weight loss less than 0. Chemical resistance data is found in a laboratory setting and cannot account for all possible variables of an installed. Contrary to some misunderstandings, arrhenius does not explicitly suggest in this paper that the burning of fossil fuels will cause global warming, though it is clear that he is aware that fossil fuels are a. Carbonic, lactic, and pyruvic acids have been generated in aqueous solution by the transient protonation of their corresponding conjugate bases by a tailormade photoacid, the 6hydroxy1sulfonate pyrene sodium salt molecule. Common metals and their corrosion resistance to aggressive fluids like acids, bases and more.
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. Page 1 of 6 1 continuous long term exposure 2 short termintermittent exposure materials, carbonic acid leaching, mass loss, leaching resistance factor in order to reveal the degradation process and deterioration mechanism of cementbased materials, this paper analyzes the effects of carbonic acid leaching on the mechanical strength of mortars, as well as relative mass loss, microstructure, and. Check the chemical compatibility of polypropylene with various chemicals, solvents, alcohols and other products. The table does not take into account the precise material composition of the products, varying operating conditions. Application of cement in highpressure hightemperature hpht carbonic acid containing environment poses serious well integrity issues. Us6218454b1 acid resistant, thermoplastic resin composition. Resin impregnated carbongraphite selflubricating and nongalling material. Chemical resistance chart introduction corrosion and degradation depend on many parameters. Chemical compatibility chart metallic materials used in. Highperformance alloys for resistance to aqueous corrosion.
Acetic acid, glacial b c b a c u c c u b b c c u acetic acid, 30% b b b a b b a a c b a b b u. It plays a role in the formation of cave structures and the transport of carbon dioxide in the blood. A particular goal is to establish the pka of carbonic acid h2co3. Carbonic acid may trigger pitting, another specialized type of corrosion driven by electrochemical process. Of primary interest are those materials which come in contact with the measuring medium. Ranking of materials in an electromotive force emf or galvanic series in a specific media will help determine the propensity of two materials for this type of corrosion.
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