Bridge inner surface
Serial numberPainting procedure

Paint name

No. of painting

Average film thickness um/channel (dry film)Thinner
1Surface treatmentSandblasting
2PrimerWaterborne epoxy zinc-rich primer/waterborne cold spray zinc280Neutral water
3TopcoatWaterborne epoxy thick paste paint2150
Description:1、If the local rust is serious, it must be polished and pretreated with rust repair paint, and then the above supporting system.
2、Acid-resistant topcoat is available in areas with acid mist.
3、According to the environmental conditions in each region, negotiate with Party A to resolve.
桥梁外表面
Serial numberPainting procedurePaint nameNo. of paintingAverage film thickness um/channel (dry film)Thinner
1Surface treatmentSandblasting
2PrimerWaterborne epoxy zinc-rich primer/waterborne cold spray zinc280Neutral water
3Intermediate paintWaterborne epoxy cloud iron intermediate paint2120
4TopcoatWaterborne polyurethane topcoat/waterborne two-component fluorocarbon topcoat280
Description:1、If the local rust is serious, it must be polished and pretreated with rust repair paint, and then the above supporting system.
2、Acid-resistant topcoat is available in areas with acid mist.
3、According to the environmental conditions in each region, negotiate with Party A to resolve.
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