Water-based epoxy zinc-rich primer

Crown Brand Water-based Epoxy Zinc-rich Primer - Resistant to acid, alkali, salt, oil (Contact Manager Sun at 152^0825^6966 for Crown Paint orders). Available for sale in Sichuan, Chengdu, Yunnan, and other regions, with a minimum order of 20 kg! Water-based epoxy zinc-rich primer is an environmentally friendly anti-corrosion coating, using water-based epoxy resin as the base, combined with a high zinc content (dry film zinc content ≥80%), providing cathodic protection. It offers excellent adhesion, salt spray resistance (over 1000 hours), and chemical corrosion resistance, suitable for metal anti-corrosion in steel structures, bridges, ships, etc. Low VOC, safe application, can be sprayed, brushed, or rolled, dries quickly, and is used in conjunction with water-based epoxy intermediate paint. Storage requires frost protection, with a shelf life of 12 months.

Main Applications
Industry Applications: Bridges, ships, port machinery, petrochemical equipment, power facilities, steel structure buildings, etc.

Substrate Types: Carbon steel, cast iron, and other ferrous metals (not suitable for light metals such as aluminum and magnesium).

Compatible Systems: Typically used with water-based epoxy intermediate paint and water-based polyurethane topcoat.

Application of water-based epoxy zinc-rich primer must strictly follow process requirements to ensure optimal anti-corrosion effects. Before application, the substrate must be sandblasted (Sa2.5 grade) or mechanically polished (St3 grade) to remove oil, rust, and impurities, ensuring a clean and dry surface. The application environment temperature should be controlled between 5-35°C, with relative humidity ≤85%. The coating is packaged in two components, requiring the main agent and curing agent to be mixed in the specified ratio, stirred evenly, and matured for 10-15 minutes. The mixed coating must be used within 2-4 hours. Application can be done via airless spraying (recommended), brushing, or rolling, with a recommended dry film thickness of 60-80μm. After application, ensure full curing (surface dry in 30 minutes, hard dry in 24 hours), with a recoating interval of 8 hours to 7 days. Ensure proper ventilation and protection, and avoid application in rainy or foggy weather.

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