Quotation from the manufacturer of epoxy coal tar anti-corrosion steel pipes for water supply

Description :

　　Introduction to epoxy coal tar anti-corrosion steel pipe

　　Epoxy coal tar anti-corrosion coating is composed of two main components: epoxy and coal tar. It is a two-component coating of A (epoxy) and B (curing agent), which has excellent adhesion, toughness, moisture resistance, water resistance, and chemical resistance. It has the performance of preventing various ions from passing through the paint film and has the characteristics of expansion and contraction with the coated object. The paint film never falls off or cracks. Thickness 0.51.0mm. Epoxy coal tar is a cost-effective form of anti-corrosion, and engineering tests have shown that using epoxy coal tar combined with cathodic protection. Oil and gas pipelines have been used for 20 years without any corrosion.

　　Product Features

　　1. This product is a high-performance anti-corrosion coating with a smooth, dense, and hard coating, strong adhesion, excellent salt alkali resistance, seawater resistance, soil microbial corrosion resistance, and resistance to plant root and stem penetration. The composite use of paint and fiberglass cloth can enhance the mechanical properties of the anti-corrosion layer.

　　2. Room temperature coating, natural curing, easy to apply, can be manually or mechanically applied, especially suitable for on-site use

　　technical indicators

　　Oxygen coal tar coatings are divided into two types based on their functional applications: epoxy coal tar primer and epoxy coal tar topcoat. Our company's epoxy coal tar primer is a solvent based product; Epoxy coal tar surface paint is a series of products, divided into solvent-free type (GH 201) and thick slurry type (GH 202) according to solid content. It is also divided into heat-resistant type (used within 150, with W added) and standard type (used within 100) according to the heat resistance temperature of the coating during use, for users to choose according to the actual requirements of anti-corrosion engineering. The enterprise standard for this product is Q/DH 02-2009 liquid epoxy anti-corrosion coating, and its technical indicators are equivalent to the technical standards for buried steel pipeline epoxy coal tar anti-corrosion coating and SY/T 0457-2000 steel pipeline liquid epoxy coating internal anti-corrosion coating in the Chinese petroleum and natural gas industry. It also meets the requirements of the American Water Works Association standard AWWA C 210-03 steel water pipeline liquid epoxy coating internal and external anti-corrosion coatings. Epoxy coal tar anti-corrosion spiral steel pipe is commonly referred to as "several fabrics and several oils". Common ones include one fabric and two oils, three fabrics and two oils, five steps and three oils, seven fabrics and four oils. The components of epoxy coal tar anti-corrosion spiral steel pipe are epoxy coal tar primer and topcoat, both of which are mainly composed of epoxy resin and coal tar as film-forming materials, and are made by adding various anti rust pigments, insulating fillers, toughening agents, leveling agents, diluents, anti settling agents, etc. Appearance: Primer component A is iron red, component B is black, and the topcoat is black. It has excellent resistance to chemical media corrosion and good physical and mechanical properties, good adhesion, tough coating, as well as excellent electrical insulation and anti permeability, anti stray current and anti microbial erosion. After film formation, it can reduce the number of construction passes. The main implementation standards are SY/T 0447-96 Technical Standard for Epoxy Coal Tar Anti corrosion Coating of Buried Steel Pipelines and SY/T 0457-2000 Technical Standard for Liquid Epoxy Coating Internal Anti corrosion Coating of Steel Pipelines. It is mainly used for anti-corrosion of the outer walls of buried or underwater steel oil, gas, water, and heating pipelines. It is also suitable for anti-corrosion of various steel structures, docks, ships, water gates, gas storage tanks, equipment in refineries and chemical plants, as well as waterproofing and leakage prevention of concrete pipes, sewage tanks, roof waterproof layers, bathrooms, basements, and other concrete structures.

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