H52-80/H52-60 Epoxy Coal Pitch Mastic Pipe Coatings (Primer/Topcoat)


Two packaged coatings made from epoxy resin, coal tar pitch, pigment, filler and curing agent


Anticorrosion primer for underground pipeline, steel stake on docks, container interior wall, underground or sedimentation interior wall of gas cabinet, steel structures of underwater project.


Hard film and wearability, good adhesion , waterproofing and resistance to rust for base, long-term protection in sea atmosphere areas and atrocious environment. a kind of mastic coatings and DFT can be over 150μm by high-pressure airless spray once.

Physical Parameter:

Color: Primer: Black brown, Topcoat: Black

Density: 1.3 kg/L

Film Thickness: Primer: WFT: 210μm    DFT:  150μm

Theoretic Dosage:0.27 kg/m2

Flash Point: 22℃ 

Drying Time: 23℃, Dust-Free: ≤4 h, Hard Drying: ≤48 h, Fully Curing: 7 d

Storage: 1 year

Application Parameter:

Formula Ratio: Component A : Component B = 1 : 1 

Curing Time: 23℃, 30 min, use after curing 30min when two-component mixed

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

Coating Method: High-pressure airless 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 rust removing by hand or driving application till qualified to St3. Secondary rust removing must be made on surface of shop primer till qualified to St3. 

Pre-Coat Accessory Coatings: Coating directly on surface of steel which rust removing qualified to Sa 2.5. Used with E06 inorganic zinc shop primer and epoxy zinc rich shop primer.

Coating Interval: 23℃, Min. 24 h,  Max. 7 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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