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Zinc Seals

At Accu-Labs, our zinc passivate topcoat seals provide excellent durability and dramatically increase the corrosion resistance of the applied zinc passivate films. Explore our array of products below.

Accu-Labs KSN Silicate Seal

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Accu-Labs KSN is an economical, silicate-based, top-coat sealer used on passivated and chromated zinc plated parts, increasing corrosion protection to endure 50-250 more hours of salt spray. Though the precise effects are variable depending on the type of application and the passivate, KSN silicate seal is an ideal product for numerous industries. For a non-hazardous, environmentally safe seal option for zinc parts, look no further.

Accu-Labs 252 Black Organic Seal

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Accu-Labs 252 Black Sealer is a non-silicate, environmentally safe sealer used to increase the corrosion protection of trivalent black finished zinc and zinc-alloy plated parts. This zinc seal will offer protection for up to 50-250+ hours of salt spray, depending on the type of application and chromate.

Accu-Labs 254 Clear Organic Seal

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Accu-Labs 254 non-silicated sealer is another non-hazardous, environmentally safe sealer used to increase the corrosion protection of passivated zinc plated parts. Accu-Labs 254 is a low-viscosity solution that leaves a clear transparent film on the finished part.

Accu-Labs 890 Integrated Sealer

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Accu-Labs 890 Integrated Seal is an aqueous sealer additive for trivalent chromium passivate films applied to zinc and zinc alloy deposits. The Accu-Labs 890 formulation consists of stabilized silica nano-particles which, when combined with trivalent chromium films, produce an improved protective finish.

Accu-Labs 891 Seal

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Accu-Labs 891 is a organo-mineral, concentrated liquid sealer product engineered to produce superior, scratch-resistant top coatings on passivated zinc plated parts, while increasing the overall corrosion protection. The thin film top coating has excellent protective properties that can withstand repeated baking or heating cycles.

Accu-Labs SP-5

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Accu-Labs SP-5 is a non-silicate sealer for all types of trivalent chromates. Accu-Labs SP-5 is formulated with trivalent chromium to provide secondary passivation that will extend the corrosion protection up to 96 hours on zinc finished parts.