Inorganic Zinc-Rich Shop Primer

Name: Inorganic Zinc-Rich Shop Primer
Brand: Tianjin Jinhai Special Coatings & Decoration Co., Ltd.

Inorganic zinc-rich shop primer is alcohol-soluble inorganic zinc-rich paint. The paint consists of alkali metal silicate as component one, zinc dust and pigment as component two. The paint has an excellent anti-corrosion effect, can withstand temperatures as high as 400°C, and has excellent resistance to crude oil and solvents. The paint can be used in oil tanks, solvent tanks, ballast water tanks and marine steel structures, bridges, chimneys which are in harsh environments and conditions and can also be used as anti-rust and heat-resistant coating.

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Advantage of Inorganic Zinc-Rich Shop Primer

Good cathodic protection
Good fast welding property
Excellent gas cutting property
Match with many kinds of subsequent coatings.
Good long-term anti-corrosion property

Specification of Inorganic Zinc-Rich Shop Primer

Type	Solvent
Solid Content	44%
Mixing Ratio	two components base : hardener=2:1 by weight
Dry Film Thickness	20μm per coat
Specific Gravity	1.33kgs/Liter
Coverage Rate (Theoretical)	0.06kg/m²/20μm 0.04L/m2/20μm
Drying Time	Temperature	0℃	10℃	20℃	30℃
	Dry to touch	12mins	8mins	6mins	5mins
	Dry Hard	24hrs	18hrs	12hrs	10hrs
Package	25kgs for one kit, part A 20kgs, part B 5kgs

Why should a layer of sealer be applied to the surface of the inorganic zinc-rich primer?

The surface of the inorganic zinc-rich primer has a porous structure, and there will be residual air inside. It is easy to produce bubbles when overcoating other coatings. To solve the problem of bubbling, a sealer paint needs to be applied.

What is the difference between epoxy zinc-rich primer and inorganic zinc-rich primer?

Epoxy zinc-rich primer has fewer requirements for substrate treatment than an inorganic zinc-rich primer. The film toughness of epoxy zinc-rich primer is better than that of inorganic zinc-rich primer. The anti-corrosion, salt spray resistance and self-repairing of inorganic zinc-rich primer are higher than an epoxy zinc-rich primer. Epoxy zinc-rich primer must be used with a weather-resistant topcoat. Generally, epoxy intermediate paint is also used. The inorganic zinc-rich primer can be used directly without the topcoat. In general, the corrosion resistance of the inorganic zinc-rich primer is better than the epoxy zinc-rich primer, but it is not as good as an epoxy zinc-rich primer in terms of workability and repairability.

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