H90-1/H90-2 Acid and Base Resistant Primer/ Topcoat

Epoxy resin, acid and base resisting pigment, filler and curing agent, etc.

Excellent resistance to acid, base and salt, and it’s the latest achievement of chemical equipment.

Anticorrosion primer for chemical equipment and steel structures

Physical Parameter:
Color: Primer: Black brown, Topcoat: Grey

Density: Primer: 1.2 kg/L, Topcoat: 1.30 kg/L

Film Thickness: Primer: WFT: 190μm    DFT:  125μm

             Topcoat: WFT: 120μm    DFT:  60μm

Theoretic Dosage: Primer: 0.23 kg/m2, Topcoat: 0.15 kg/m2

Flash Point: 22℃ 

Drying Time: 23℃, Primer: Dust-Free: ≤8 h, Hard Drying: 48 h, Fully Curing: 7 d

                Topcoat: Dust-Free: ≤6 h, Hard Drying: 48 h, Fully Curing: 7 d

Storage: 1 year

Application Parameter:

Formula Ratio: Primer: Component A : Component B = 10 : 1 (Weight Ratio)

            Topcoat: Component A : Component B = 10 : 1.5 (Weight Ratio)

Curing Time: 23℃, 30 min

Pot Life:  23℃, 8 h, unsuitable for application below 5℃

Coating Method: Spray, hand brushing, roll coating

Diluent/ Dilution Ratio: Diluent for 102 epoxy resin coatings,     <5%

Surface Treatment: Sand blasting must be made on surface till qualified to Sa 2.5 or hand rust removing till qualified to St3. Secondary rust removing must be made on surface of shop primer till qualified to St3 

Coating Interval: 23℃, Min. 24 h, Max. 2 d


The data in this Specification is derived from experiments and practical applications, and can be regarded as a guide for application. The title product is only for specialty application. Otherwise we only guarantee the quality of the said coating itself if it is used in other sectors undescribed herein or fresh sectors.

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