Coating classification: water based electroplate sealer

Core tip: brief introduction: the water-based electroplate sealer is a kind of high hardness, corrosion-resistant and transparent water-based paint with acrylic copolymer resin as the main body and special additives It is suitable for the protection and sealing of all kinds of hardware and plating products, especially for the cover after plating of bright plating such as gold, silver, imitation gold, nickel, chromium, etc Compared with solvent paint, water-based paint is more convenient, safe and less polluting to human body and environment After cleaning, electroplated workpieces do not need to be dried, but can be directly dip coated to avoid oxidation and discoloration of workpieces during drying Performance and main technical indexes: The water-based electroplate sealer uses water as diluent to store and make Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Brief introduction: the water-based electroplate sealer is a kind of high hardness, corrosion-resistant and transparent water-based coating with acrylic copolymer resin as the main body and special additives It is suitable for the protection and sealing of all kinds of hardware and plating products, especially for the cover after plating of bright plating such as gold, silver, imitation gold, nickel, chromium, etc Compared with solvent paint, water-based paint is more convenient, safe and less polluting to human body and environment After cleaning, electroplated workpieces do not need to be dried, but can be directly dip coated to avoid oxidation and discoloration of workpieces during drying Performance and main technical indicators: water is used as diluent for water-based electroplate sealer, which is safe for storage and use and suitable for continuous production of electroplate coating The coating is bright, full, smooth and transparent Technical index of the project solid content /% 35 ± 2 pH value 7-9 hardness 3H salt resistant (3% NaCl solution) H 48-96 application method: ① viscosity of the original paint (coating-4 cups, 25 ℃): 25-27s, construction viscosity: 14-17s; ② generally, one-time dip coating, spray coating and other construction methods are used The second dip coating method can be used to obtain thick coating The dip coating method: dry after the first dip coating and dry for 5-10 minutes before the second dip coating; ③ maintain the pH value of the coating between 7-9 (adjustable with concentrated ammonia); ④ drying conditions: normal temperature, 15 minutes; heating (160-180 ℃), 15-25 minutes Matters needing attention in Construction: (1) acidic solution will cause the gel and precipitation of the resin to destroy the stability of the coating Therefore, before the painting, the workpiece should be washed and purified completely In use, the pH value of the coating will gradually decrease If the pH value is lower than 7, the coating will have irrecoverable precipitation Therefore, the pH value of the coating needs to be adjusted frequently with concentrated ammonia water Selection conditions: ① the practical water-based electroplate sealer of process conditions must be able to have a wide drying temperature, which can be dried at room temperature as well as at high temperature ② The stability of coating products due to passivation and sealing will not be used on all plating parts Generally, the water-based plating sealing paint will have a certain storage time in the field The chemical and physical properties of the sealer should be stable during storage ③ The most common test of corrosion resistance is salt spray test The high-quality water-based electroplate sealer has special chemical groups, on the one hand, it can ensure the adhesion with the metal substrate, on the other hand, it can increase the water-proof property of the coating; ④ the requirements of heavy-duty performance plating parts for heavy-duty industry is another important factor for choosing the water-based electroplate sealer Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,