Many users have called to ask, outdoor steel structure anti-corrosion coatings, which coatings are best, there are requirements to keep for decades, there are also more than ten years, and there are requirements for low cost, today, several cases, give We will introduce how to choose outdoor anti-corrosion coatings and anti-corrosion coatings.
According to its own years of steel structure anti-corrosion paint construction experience, according to the situation recommended three supporting programs:
The first type: suitable for anti-corrosion requirements between 10-20 years
Primer: Epoxy zinc-rich primer, according to Lunan brand paint (25 kg paint + 2.5 kg curing agent) 10:1. Coating rate is: 2-3 square / kg, once again
Medium paint: epoxy cloud iron antirust paint, packaging is 22 kg paint + 3 kg curing agent, the coating rate is: 2-3 square / kg, once again.
Topcoat: chlorinated rubber topcoat, package is 20 kg / barrel, coating rate is: 4-5 square / kg, once again.
This kind of matching cost is lower and the anti-corrosion effect is better.
Second: suitable for anti-corrosion requirements in 20 years or so
Primer: Epoxy zinc-rich primer, according to Lunan brand paint (25 kg paint + 2.5 kg curing agent) 10:1. Coating rate is: 2-3 square / kg, once again
Medium paint: epoxy cloud iron antirust paint, packaging is 22 kg paint + 3 kg curing agent, the coating rate is: 2-3 square / kg, once again.
Topcoat: Aliphatic polyurethane topcoat, packaging is 18 kg paint + 2.2 kg curing agent coating rate is: 4-5 square / kg, once again.
This kind of matching cost is moderate and the anti-corrosion effect is very good.
The third type: suitable for anti-corrosion requirements for more than 20 years
Primer: Epoxy zinc-rich primer, according to Lunan brand paint (25 kg paint + 2.5 kg curing agent) 10:1. Coating rate is: 2-3 square / kg, once again
Medium paint: epoxy cloud iron antirust paint, packaging is 22 kg paint + 3 kg curing agent, the coating rate is: 2-3 square / kg, once again.
Topcoat: fluorocarbon topcoat, packaging is 20 kg paint + 4 kg curing agent coating rate is: 4-5 square / kg, once again.
The third type of matching cost is higher and the anti-corrosion effect is the best. It is recommended that you use this solution if you want a higher anti-corrosion effect.
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