Inorganic zinc-rich 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 excellent anti-corrosion effect, can withstand temperature 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.
Good cathodic protection
Fast drying property providing handling and packing and subsequent painting only after short period
of time.
Good mechanical wear resistance and organic solvents resistance
Excellent initial hardness
Good heat resistance withstanding a high temperature below 400℃
Type | Solvent | ||||
Solid Content | 70% | ||||
Mixing Ratio | two components base : hardener=4:1 by weight | ||||
Dry Film Thickness | 50μm per coat | ||||
Specific Gravity | 1.8kgs/Liter | ||||
Coverage Rate (Theoretical) | 0.15kg/m2/50μm 0.085liter/m2/50μm | ||||
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 | ||||
Epoxy zinc-rich primer has less requirements for substrate treatment than 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 epoxy zinc-rich primer.
Epoxy zinc-rich primer must be used with weather-resistant topcoat. Generally, epoxy intermediate paint is also used.
The inorganic zinc-rich primer can be used directly without the top coat.
In general, the corrosion resistance of inorganic zinc-rich primer is better than epoxy zinc-rich primer, but it is not as good as epoxy zinc-rich primer in terms of workability and repairability.
As one of the leading zinc rich paint manufacturers, FUXI Coatings emphasizes the importance of applying a sealer over the Inorganic Zinc-Rich Primer to ensure long-term coating performance and stability.
The surface of the inorganic zinc-rich primer has a porous structure, containing residual air and voids. When topcoats are directly applied, these pores can trap air and moisture, leading to bubbling or pinhole defects that compromise corrosion protection.
Applying a FUXI sealer paint effectively penetrates and seals the surface, eliminating porosity and ensuring excellent adhesion for subsequent coatings. This process enhances the overall anti-corrosion performance, prevents coating defects, and provides a smooth, durable surface finish for demanding industrial applications such as steel structures, bridges, and offshore equipment.
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