Waterborne epoxy primer
Main applications can be used in conjunction with waterborne epoxy topcoat. Main features 1, to present grey or red 2, waterborne two-component epoxy primer, containing zinc phosphate, aluminum tripolyphosphate and other effective non-toxic antirust pigment and antirust additive, can form strong antirust paint film of 4, with water as dispersion medium, otherwise don't explode, can be diluted with water and clean coating equipment 5, the construction process of no pollution, safe environmental protection characteristics. Main parameters Solid ≥50% dry film thickness :60 microns (equivalent to 120 microns wet film thickness) Theoretical coating rate :6.67 square meters/kg Mixing ratio: A: B =9:1(weight ratio) Thinner: clean fresh water paint set
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Product Description
The main purpose
Can be used with waterborne epoxy topcoat.
The main features
1, appear gray or red
2, water-based two-component epoxy primer, containing zinc phosphate, aluminum tripolyphosphate and other active non-toxic anti-rust pigments and anti-rust additives
3, can form a tough rust resistant paint film
4. Take water as the dispersing medium, otherwise it will not explode. It can be diluted and cleaned with water
5, the construction process is pollution-free, with safety and environmental protection characteristics.
The main parameters
Solids 50% or higher
Dry film thickness :60 microns (equivalent to 120 microns wet film thickness)
Theoretical coating rate :6.67 square meters/kg
Mixing ratio: A: B = 9:1(weight ratio)
Diluent: Clean fresh water
Paint equipment cleaning agent: clean fresh water
Service life :20℃:3h(hours)
Drying time: table dry 4h hard dry 24h (substrate temperature 25℃)
Coating interval: minimum time 3h maximum unlimited (substrate temperature 25℃)
Weight: 1.25 Kg/L
The construction method
1. Airless spraying and brushing or roller coating are recommended
2. It is not recommended to use traditional spraying
3. Front coating: zinc rich primer, water-based epoxy antirust primer, water-based epoxy zinc phosphate or aluminum tripolyphosphate primer, solvent based coating approved.
4. The last coating: water-based epoxy topcoat, water-based acrylic paint, etc., can also be coated with solvent-based coating, but the shortest coating interval should be extended.
The technical requirements
1. When used as primer: remove grease with appropriate cleaner, sandblast to Sa2.5 level or power tool rust removal to St3 level, roughness 40-70 microns. Keep the surface clean and dry.
2, because the waterborne coating is easy to flow from the sharp corner to form the "corner effect" in order to protect the corner from corrosion, it is necessary to grind the corner and precoating.
3, when used as middle paint, only can be used on the surface of the approved paint film, and ensure that it is clean and dry.
4. During construction and drying, the ambient temperature is better than 10℃, the relative humidity is lower than 80%, the temperature of the substrate should be higher than the dew point of more than 3℃, and ensure good ventilation. Avoid outdoor construction when the temperature is low at night, especially in the season with condensation or rain.
5, the durability of waterborne paint depends largely on good construction. For example, in the sharp corners, rivets and jump welding parts of the construction should be extra fine, to avoid each degree of paint film is too thick. You'd better give it an extra touch.
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