Formulation flexibility allows for use as both a lining and coating. Epoxy lining for steel water pipe frye 1974 journal. Awwa c209 coldapplied tape coatings for the exterior of special sections, connections, and fittings for steel water pipelines. Pdf awwa c21097 liquidepoxy coating systems for the int. This standard provides the minimum requirements for coal tar protective coatings and linings used in the water supply industry for buried steel water pipelines. Awwa c205 cementmortar protective lining and coating for steel water pipe 4 inches or largershop applied. A coal tar epoxy is a black surface protection polymer used on surfaces subjected to extremely corrosive environments. This research evaluated an sspc paint 16 coal tar epoxy, awwa c222 polyurethane, and a commonly used solvent borne epoxy with glass flake in a sidebyside laboratory comparison to coal tar enamel. Corps of engineers formula c200a sspc paint 16 speci. Anti corrosive protecting coatings two component anti. Coal tar enamel cte is a polymerbased coating produced from the plasticization of coal tar pitch, coal, and distillates. Liquidepoxy coating systems for the interior and exterior. These coatings are applied to interior ferrous surfaces of valves and hydrants intended for use in drinking water systems where corrosion protection is specified. Protects against severe abrasion, strong chemicals and immersion in water nonpotable.
The coating shall be either a liquid or powder epoxy system and shall not contain coal tar. It conforms to awwa c210, sspc paint 16 and corp of engineers c200 c200a. It is commonly used to make high solids coatings or paints to provide moisture protection for underground systems like pipelines, water treatment facilities, clarifiers and. Awwa c203 coal tar protective coatings and linings for steel water pipelinesenamel and tapehot applied. New options for coating water and wastewater treatment plants. Sep 27, 2017 rust converters and coal tar epoxy paint test 1 year in saltwater duration. The second and third editions were approved on june 10, 1984, and june 18, 1992, respectively, and published under the title, liquid epoxy. A twocomponent, high solids polyamide converted epoxy blended with a refined coal tar pitch. The research department of bethlehem steel has conducted lengthy and extensive tests into various types of organic c. Liquidepoxy coating systems for the interior and exterior of. Awwa c20308 coaltar protective coatings and linings for.
However this is the first time for me to use coal tar enamel coating for underground water piping. Inert fillers are added to provide the desired properties of the system. Awwa manual m41, ductile iron pipe and fittings, awwa, denver, co. Awwa standard for coaltar protective coatings and linings for steel water pipelines, enamel and tape, hot applied american water works association. Awwa standard for coal tar protective coatings and linings for steel water pipelines, enamel and tape, hot applied american water works association. Dear members, a project document requires coal tar enamel coating as per awwa c203 for underground water piping. The principal standard covering cement lining is ansiawwa c104a21. Reclamation benefited from the application of coal tar enamel linings on. This standard covers a coal tar epoxy coating system that is suitable for potable water and that will provide protection from corrosion to both interior and exterior of steel water pipe, fittings, and specials installed underground or underwater. Millions of miles of steel pipeline have benefited from the corrosion protection offered by cte. Hibuild tnemetar product data sheet series 46h4 product profile generic description polyamide epoxycoal tar common usage highbuild corrosion resistant coating providing one coat protection for concrete and steel in a variety of chemical. Committee personnel the awwa standards committee on steel pipe, which developed this standard, had the following personnel at the time of approval. C9578 system coal tar epoxy epoxy technical data ro53 description and uses a twocomponent, high solids polyamide converted epoxy blended with a refined coal tar pitch.
Coal tar based materials and their alternatives as interior coatings. Awwa steel pipe coating standards are written for and based on the service temperature of potable water. American recommends the use of standard thickness cement lining per awwa c104 for all normal installations. Glossary acronyms aisi ansi astm awwa nace spcc american iron and steel. American pipe manual linings and coatings american cast iron. It is a blend of various epoxy resins and coal tar. Meets corps of engineers specs c200, c200a, steel tank institute corrosion control system stip3, awwa spec c21084, and sspcpaint 16. Highbuild corrosion resistant coating providing one coat protection for concrete and steel in a variety of chemical, immersion and underground conditions. For longterm corrosion protection of steel and concrete substrates against water, wastewater, seawater. Awwa c210, liquidepoxy coating systems for the interior and exterior of steel water pipelines.
Coal tar epoxy is a 100% solids, high performance cycloaliphatic, modified coal tar floor coating designed to bond to most materials concrete, steel, fiberglass, wood, etc. High build coal tar epoxy description uses features application protal 600 cte is a twopart high build coal tar epoxy, that can applied as a single or twocoat system. Corrosion control system stip3, awwa spec c21084, and. Product a high performance, twocomponent, coaltar free, chemicallycured highbuild epoxy coating description for use in areas where coal tar epoxy is normally used. So if you are working a job with one of these specifications, that will determine. Awwa standard for coal tar epoxy coating system for the interior and exterior of steel water pipe approved by awwa board of directors jan. Blue water marine coal tar epoxy primer is a heavyduty, highbuild protective coating with a blend of epoxy resin and coal tar that provides excellent protective barrier coating on steel, iron, and concrete. Awwa standard for coal tar epoxy coating system for. Awwa standards are intended to represent a consensus of the water supply industr y that the product described will provide satisfactor y ser vice. Corrosion protection of steel structures by coal tar. Coal tar enamel coating as per awwa c203 pipelines, piping.
This research evaluated an sspc paint 16 coal tar epoxy, awwa c222. How, after a century of use, can cte stand up to natural enemies. American coatings and primers for pipe and fittings. At the purchasers option the pipe, fittings, or specials may be cleaned and primed in the shop and topcoats applied in the field, or cleaned, primed. However, noncoal tar based epoxy is also used to line steel water pipes. The coating system with or without additional cathodic protection shall consist of one coat of a twopackage inhibited epoxy primer, and one or two coats of a twopackage coal tar epoxy topcoat. Specification for corrosion prevention coating coal tar enamel. Coating systems for the interior and exterior of steel water pipelines.
Epoxies can be formulated for use for many different service conditions. May 1978, under the title, coaltar epoxy coating system for the interior and exterior of steel water pipe. High strength and resistant to most corrosive reagents. The coal tar pitch, which forms the basis for the enamel, consists of polynuclear aromatic hydrocarbons and heterocyclic compounds. Richard mielke, pe, nace cip level ii, nace cp tester. Coal tar epoxy will bond to cold damp and is tolerant of oily substrates. Coal tar epoxy p a b69b60 b p a b69r60 r p b b69v60 h protective. For operating temperatures higher than the normal temperature of potable water, consult the manufacturer for recommendations concerning temperature limitations for coal tar protective coatings and linings. Versatile twocomponent coal tar coating for use in immersion, splash and spillage, chemical fumes and belowgrade environments. Achieve maximum surface protection in severe industrialmarine environments with rustoleum high performance c9578 system coal tar epoxy. Awwa c203 coaltar protective coatings and linings for. Shalipoxy cte 103 formerly known as shalipoxy cte hb lb is a two component, coal tar epoxy protective coating for steel and concrete surfaces having excellent corrosion chemical abrasion scratch resistance through 100120 micron coating in single coat.
Awwa standard for coal tar epoxy coating system for the interior and exterior of steel water. Coal tar enamel may 31, 2001 during the last hundred years, coal tar enamel cte coatings have been used on more inservice pipelines than any other coating in the world. The tar additive boosts flex and elongation, and is excellent at sealing out moisture. Awwa c550 protective interior coatings for valves and hydrants. Corrosion protection of steel structures by coal tar enamel final. Large diameter transmission pipeline corrosion control state of theart. Coal tar enamel field application is not presently feasible, requiring the specification of alternative coating materials. The second and third editions were approved on june 10, 1984, and june 18, 1992, respectively, and published under the title, liquidepoxy. These coatings are applied for protection of ferrous surfaces of valves and hydrants. Pdf american water works association american water. The appendix contains specifications governing the materials and application requirements for other wraps and shields than those covered in awwa c203 such as coal tar enamel and bonded double asbestos felt wraps, sand shield, reinforced cement mortar shield, coal tar enamel, fibrous glass mat and bonded asbestos felt wrap, and material.
This highsolids, polyamideconverted epoxy includes refined coal tar pitch and forms an extremely durable coating. Uniquely formulated to provide corrosion protection for steel and masonry surfaces exposed to water immersion or chemical splash, spillage and fumes. American water works association awwa standards, the american. Renowned high build coal tar epoxy polyamide for protection of steel and concrete in single or twocoat applications in a broad variety of aggressive industrial applications. Coal tar is a complex mixture consisting mainly of polycyclic aromatic. Awwa standard for coaltar protective coatings and linings.
The use of a coal tar based epoxy paint for lining steel water pipes may increase because of a recently issued standard on coal tar epoxy for this use by the american water works association. The standard describes the material, application, and performance requirements for these interior coatings. Coal tar based materials and their alternatives as interior. Commonly used in fresh and salt water environments and also. Awwa steel pipe coating and lining standards are written for and based on the service temperature of potable water. They use multiple layers of tapes to form a corrosion barrier followed by a mechanical protection layer to prevent a corrosion cell from forming on the surface of steel. It is a polyamide with excellent abrasion and chemical resistance.
Bituminous awwa c153, standard none cement lining awwa c153 c coal tar epoxy awwa c210 t fusion bond epoxy awwa c116 f protecto 401 p by mainline sewer mainline sewer by pf142092408 materials body. Sewer fittings ductile iron cement lining awwa c153 c coal. Other special coatings american can also furnish other special exterior coating systems. With coal tar as a byproduct from cokemaking, coal tar availability will continue to depend on the consumption of coke in the blast. Designed for use on steel or concrete surfaces in severe industrial or.
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