Epoxy Primer Sealer for Concrete Parts

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Epoxy primer-sealer for concrete parts is a two-component self-drying paint composed of epoxy resin, additives and solvents, and a special epoxy curing agent. It has hard paint film, high adhesion, good wear resistance and alkali resistance, and is widely used for sealing concrete surfaces and sealing cement components and structures.

Advantage of Epoxy Primer Sealer for Concrete Parts
Excellent permeability and water resistance

Excellent alkali resistance

Excellent adhesion to cement surface

Good thermal stability

Specification of Epoxy Primer Sealer for Concrete Parts

Type Solvent
Solid Content 50%
Mixing Ratio two components base : hardener=6:1 by weight
Dry Film Thickness 20μm per coat
Specific Gravity 1.0kgs/Liter
Coverage Rate (Theoretical) 0.08kg/m2/20μm 0.08L/m2/20μm
Drying Time Temperature 10℃ 20℃ 25℃
Dry to touch 4hrs 3.5hrs 3hrs
Dry Hard 48hrs 28hrs 24hrs
Package 21kgs for one kit, part A 18kgs, part B 3kgs

Should the wall surface be painted with the primer or putty first?
Putty is mainly used for filling and leveling. The primer has an anti-alkali effect and can reduce the amount of topcoat. Some people use the primer directly without putty, but the overall effect is not good. The normal process is putty (three times), sealing primer (one time) and topcoat (two times). This way the effect is the best.

Why use a sealing primer?
The function of the sealing primer:

(1) Seal the substrate, penetrate into the internal structure of the substrate, block the capillary pores in the substrate, reduce the number of open pores in the substrate, increase the number of closed pores, inhibit the penetration of paint moisture, and make the penetration uniform. Make the substrate absorb the coating evenly.

(2) The sealing primer can prevent moisture, effectively isolate the alkali from the coating layer, and prevent the alkali from destroying the coating.

(3) Reinforce the loose and weak substrate and strengthen it.

We are the paint supplier. we provide bottom coat paint for boats, anti alkali primer, solvent free paint and etc. Want to know more info about paint & coatings industry, contact us.

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