After proper application of a zinc rich coating on a steel substrate, the binder holds the zinc particles in contact with each other and the steel surface. Epoxy zinc rich primer product description a two component, high performance epoxy metallic zinc rich primer specially formulated for excellent corrosion resistance for high. Opencircuit potential a and the electrochemical impedance spectra bode plots of steel substrates coated with b neat epoxy e, c traditional type zinc rich z, and d alumina consisting zinc rich za paint coatings. Formulation and preparation of the epoxy coating using dmso as solvent. Epoxy formulations by resins corrosion inhibitors, flash. Pdf corrosion protection with zincrich epoxy paint. Sep 04, 2012 is it possible to make a waterborne 2k, lowvoc, corrosionresistant epoxy primer system that outperforms commercial solventborne epoxy zinc rich primers. Therefore, zinc based primers provide sacrificial cathodic protection for the steel substrate. Electrochemical behavior of zincrich powder coatings in.
Metalhide onepac inorganic zinc rich primer metalhide onepac inorganic zinc rich primers are intended for use in industrial service on properly prepared ferrous metal surfaces. Barrier 90 is a well proven zinc rich epoxy primer designed for coating systems where extended durability and excellent corrosion protection are required. Starting formulations are intended to demonstrate the efficacy of hexions products, and to assist in the development of the users own formulations. Containing more that 75% zinc, interzinc 388 conforms to hgt3668 and is ideal for both maintenance and new construction situations. Meanwhile, a commercially available zincrich epoxy primer at 75 vol% zinc was used. Inorganic zincrich coatings generally have a zinc silicate binder, while the organic variety uses an organic resin such as an epoxy, butyl, or urethane. Zinc is, however, very close to aluminum galvanically, and therefore the aluminum substrate would obtain no benefit from a zinc rich primer. Barils 306 zinc rich primer is different from other zinc rich epoxy primers that leave a rough finish and are subject and mudcracking. Overapplication will also result in slower curing and extended handling and overcoating times. Zinky23 epoxy zinc rich primer 85 is a two pack epoxy zinc rich primer for use on abrasive blasted steel prior to application of final paint system.
The product actively resists corrosion within the confines of the repair location and avoids the generation of incipient. Zincrich coatings for steel are covered by aashto m300. Kapci 810 2k epoxy zinc rich primer kapci coatings. Zinc rich primer is an organic zinc rich compound for steel and ferrous metals that combines the resistance properties of epoxy and the galvanic protection of zinc. High percentage of pure zinc dust in an epoxy resin formulation produces a film providing years of.
Zincrich galvax stops rust and corrosion caused by welding and atmospheric exposure. Zinc vs aluminium epoxy primer paintcoatings engineering. The preparation of zincrich primers was based on a semisolid epoxy resin. Barrier is a well proven zinc rich epoxy primer designed for coating systems where extended durability and excellent corrosion protection are required. Guide specification for coatings with inorganic zinc rich primer introduction to simplify the application parameters for a system based on an inorganic aashto m 300 or similar zinc rich primer on new steel bridges, a series of charts have been developed. A zincrich primers is an epoxy that is applied to pieces of steel to aid in protecting the steel from corrosion. This high performance epoxy compound fuses zinc to the metal substrate and. Design features a high performance zinc rich anticorrosive primer for protection of steel in aggressive. Zinc rich primer formulations optimized formulations.
Zincrich primers offer excellent adhesion properties, as well as galvanic protection for structural steel surfaces. Us europe waterbased red iron oxide epoxy primer using halox sw111 epirez 5522wy55. Onecomponent, zincrich epoxy repair primer sigmazinc 19 is designed for the repair of twocomponent, zinc epoxy primers and zinc silicate primers. Barrier plus is the best performing zinc rich epoxy primer. Development of epoxy based surface tolerant coating improvised.
Corrosion protection of coldrolled steel by zincrich. It is specially designed as a primer in coating systems where extended durability is required. Ec provides spoton market news and the latest trends in coatings technology. Zinc rich primer is a kind of epoxy powder coating primer containing zinc.
Parchem nitoprime zincrich resin primer steel reinforcement. Inorganic zincrich primers generally provide better galvanic. Immersion tests with 1 m aqueous nacl solution presented by time of exposure in days. To help our customers we are presenting the formulation guide for epoxy applications. Compatible with sigmaweld 210 weldable zinc silicate prefabrication primer sigmazinc 9 inorganic, zinc rich silicate primer the high zinc content of sigmazinc 9 delivers excellent corrosion protection. I would recommend you to use at least 85% into your formula and you can availble other filler like barium sulfate to increase volume solid of primer except zinc filler.
Corrosion protection with zinc rich epoxy paint coatings embedded with various amounts of highly dispersed polypyrroledeposited alumina monohydrate particles. Us europe 2k waterbased epoxy primer with halox sw111 cured with anquamine 401 us europe rapid dry waterbase epoxy primer with halox sw111 epirez 3520 wy55. Its a powerful anticorrosion tool, if its done right, thompson says. Zincrich primers are the most commonly used of this type. For ships and marine structures zincrich primers are often recommended.
Noelsonsfpp800m, jia xinbaop10831085, zp4093, mioa320m start formulation. The main deck is protected with a highgrade, combined composite coating system that starts with a zinc primer, followed by an epoxy coating with aluminum pigment as the second coat. Epoxy zinc rich care should be exercised to avoid overapplication, which may result in cohesive film failure with subsequent high builds, and to avoid dry spray which can lead to pinholing of subsequent coats. When both coated substrates were scribed using a 186mm scribe tool, the impedance. This unique formulation deploys 86% zinc in the final film, offering industry leading catholic protection against rust and oxidation. Onecomponent 55% zinc epoxy rust and submerged metal primer. Corrosionpedia a primer on epoxy zinc rich primers. Rusto zinc is designed as a prime coat for abrasive blast cleaned steel where maximum corrosion protection is needed.
Barrier plus is a high solids, zinc rich epoxy product. Primer formulations by applications corrosion inhibitors. A twopack zinc rich polyamide cured epoxy primer with metallic zinc powder. Without a zinc primer, the steel will be exposed for corrosion. Nitoprime zincrich is the recommended anticorrosion primer for exposed steel reinforcement for use with renderoc concrete repair mortars. Epoxy zinc rich primer product description a two component, high performance epoxy metallic zinc rich primer specially formulated for excellent corrosion resistance for high performance system. This happened becuuse ss parts constitutes by value less than 10 % of the order value seal piping system for. It provides excellent corrosion protection as part of a complete coating system. Zinc rich epoxy resin primer to protect steel reinforcement within repair mortars. The level of zinc dust by weight present in the dried film conforms to sspcpaint 20 level 1 and iso 129445. By substituting current active ingredients such as zinc with lower quantities of.
Electrochemically bonds with iron and steel, and actually fuses with the base metal to provide rust and corrosion resistance. Zinc rich primers are used by many industries as a preparatory coating to protect iron or steel substrates against corrosion. This article will examine the formulation and performance of new, activated zincepoxy. Our technology relates to both the formulation and, importantly, the method of. The next generation of zincrich coatings 20190311 pci. Zinc rich epoxy primer on ss substrate paintcoatings. Us 2k waterbased epoxy primer with halox sw111 cured with anquamine 419 us cost effective 2k waterbased epoxy primer using halox sw111 us high performance 2k waterbased epoxy primer using halox szp391. Zincrich epoxy resin primer to protect steel reinforcement within repair mortars. Product description as a high performance primer to give maximum protection as part of any anticorrosive coating system for aggressive environments including those found on offshore structures, petrochemical. Us 2k waterbased epoxy primer with halox sw111 cured with anquamine 419. Epoxy zincrich care should be exercised to avoid overapplication, which may result in cohesive film failure with subsequent high builds, and to avoid dry spray which can lead to pinholing of.
When in contact with structural steel, zinc primers corrode preferentially to the steel, protecting it from damage. For example, the metallic zinc dust in the znrich epoxy primer was determined by differential scanning calorimetry dsc. Pdf corrosion protection with zincrich epoxy paint coatings. A two component, metallic zinc rich epoxy primer which complies with the composition and performance requirements of sspc paint 20. It provides a tough resistant coating with excellent mechanical and anticorrosive properties. Corrosion protection with zincrich epoxy paint coatings embedded with various amounts of highly dispersed polypyrroledeposited alumina monohydrate particles.
The main deck is protected with a highgrade, combined composite coating system that starts with a zinc primer, followed by an epoxy coating with aluminum pigment as the second coat, and then a topcoat of polyurethane pur coating. It is used as an anticorrosion primer and it is especially recommended for the protection of steel that is exposed to weathering without a protective coating for a certain period of time. Zinc rich epoxy primer fx408 material safety data sheet a component fx408 page 2 of 6 fire fighting equipment and wear full protective clothing and selfcontained breathing apparatus for fire fighting. Zincrich primers are often the primer of choice during new construction of offshore oilandgas assets. A two component, zinc rich epoxy primer, interzinc 388 is designed to give maximum protection as part of an anticorrosive coating system for aggressive environments. Empowering the coatings industry to stay ahead, connected and inspired. Corrosion protection with zincrich epoxy paint coatings. They provide excellent galvanic protection and weathering, similar to galvanizing. The latter serves as a reference to assess oxidative degradation of the vehicle in zinc rich coatings as a consequence of galvanic protective function. Preventing gas buildup in zincrich coatings uop llc. The type of zinc rich coating is defined by the binder that is used during the formulation and manufacturing of the coating.
In aqueous formulations, zinc reacts with water, forming zinc hydroxide and releasing hydrogen eq 1. Inorganic zinc rich coatings generally consist of a silicate binder whereas organic zinc rich coatings can use a wide array of binders including epoxy, polyurethane, and alkyd, etc. Reduced zinc epoxy primers have around 55% zinc by weight in the cured primer film, whereas zinc rich epoxy primers have around 80 to 85% zinc by weight. Zincrich epoxy primer fx408 material safety data sheet a component fx408 page 2 of 6 fire fighting equipment and wear full protective clothing and selfcontained breathing. The formulations of different zn pigments in the epoxy matrix were developed with the. The corrosion product is a powdery zinc oxide that exposes the remaining zinc coating for further oxidation, thus providing continuity of protection. Zinc rich primers are used by many industries as a preparatory coating to protect. Steel structures exposed to a wide range of corrosive atmospheric environments up to very high. When in contact with structural steel, zinc primers corrode preferentially to the. Home forum optimized formulations zinc rich primer formulations.
This represents an increase in paint material costs. Anticorrosive effectiveness of coatings with reduced. Zinc is, however, very close to aluminum galvanically, and therefore the aluminum substrate would obtain no benefit from a zincrich primer. Electrochemical behavior of zincrich powder coatings in artificial sea water. Please refer that zinc rich means containing of over 85% zinc dust into epoxy zinc primer.
Paint removal specifications safety and health program development. Corrosion protection of coldrolled steel by zincrich epoxy. Zinc rich galvax stops rust and corrosion caused by welding and atmospheric exposure. Zinc rich primers provide outstanding corrosion resistance, especially in aggressive corrosive environments. This article will examine the formulation and performance of new, activated zinc epoxy primers compared to conventional zinc rich epoxy primers, seeking to demonstrate comparable corrosion resistance at reduced zinc levels in the dried film and show a reduction in zinc metal levels without. It is used as an anticorrosion primer and it is especially. By lowering the zinc pigment content in the formulation, application blistering. Description zinc rich primer is a kind of epoxy powder coating primer containing zinc. Noelson chemcials product application areas covering coating, ink, plastic, rubber, building materials and metallurgy industries. Find details of companies offering epoxy zinc rich primer at best price. Zinc rich primer and zinc rich epoxy dualcure industrial. Nitoprime zincrich is the recommended anticorrosion primer for exposed steel reinforcement for use. Our uop molsiv 4a adsorbent and silica gel were evaluated on the amine cured, zinc rich epoxy primer formulation given in table 1. Zinc rich coatings for steel are covered by aashto m300.
It is recommended where high level of corrosion resistance is required. Guide specification for coatings with inorganic zinc rich primer 1. Product zinc rich epoxy primer important notice to buyer warranty and limitations on our liability we warrant our products to be free of manufacturing defects and that they meet our current published physical properties and specifications. It can be used as a primer in various paint systems based on unsaponifiable binders. Paints and coatings monitored by laserinduced breakdown. An epoxy zinc rich primer, which dries quickly and gives adequate preliminary protection of steel after sand or shot blasting and highly resistance to heat, oil, water and solvent. The blue book the green books eurocode guides section sizes ad notes design software. Epoxy resins are generally combined with curing agents, modifiers and other additives into formulated coatings, adhesives, compounds or mixtures which deliver the needed performance for a specific end use or application. Rusto zinc inorganic zinc rich primer is a two component, ethyl silicatebased, zinc rich coating that provides cathodic corrosion resistance to properly prepared steel substrates.
A zinc rich primer is a chemical substance that contains high concentrations of the silverwhite metal zinc. Our uop molsiv 4a adsorbent and silica gel were evaluated on the amine. High percentage of pure zinc dust in an epoxy resin formulation produces a film providing years of protection. Zinc rich primer formulations optimized formulations forum. This high performance epoxy compound fuses zinc to the metal substrate and protects against corrosion equal to hot dip galvanizing. Desinged to give excellent protection against corrosion on the surface to which it is applied.
Apr 28, 2004 it was possible to reduce the content of zinc dust in dry film to 49. Zincrich primers w ith m icaceous iron oxide phonemaster telecom. Owing to the amount and ratio of functional groups in the crosslinked and hardened primer, epoxy comprised nitrogen at around 2 at. Wep240 is a low viscosity, 100% solids formulation damptolerant epoxy resin system intended for priming the surface specifically for use in wet or damp substrates. Zinc rich primers are often the primer of choice during new construction of offshore oilandgas assets. Zinc rich primers offer excellent adhesion properties, as well as galvanic protection for structural steel surfaces. In such systems, zincrich primers are often used as they. Zinc primer is used for adhesion purposes, enabling the coating system to adhere to the metal surface. Graphene technology boosts performance of epoxy coatings. Reagent materials were used with the water levels controlled to give either 0. These primers tend to offer flexibility for applicators, as top coats do not need to be applied immediately. These results document that the use of micaceous iron oxide at the formulation of zinc rich primers is advantageous for both ecological and price reasons.
A two component, zincrich epoxy primer, interzinc 388 is designed to give maximum protection as part of an anticorrosive coating system for aggressive environments. However, using a standard powder epoxy powder primer, or ecoat primer, can improve corrosion resistance when a tgic polyester topcoat is applied on an aluminum substrate. Kapci 810 2k epoxy zinc rich primer product description kapci 810 is a 2k epoxy zinc rich primer with excellent adhesion to steel. It provides cathodic protection on a local mechanical damage. Organic zinc primers are substantially less porous, since the binder epoxy, urethane, etc.