Surface Treatment Chemicals
Pretreatment products ⁄ Brighteners for zinc plating ⁄ Passivation agents ⁄ Coating products ⁄ Other surface treatment products ⁄
Pretreatment products
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PAKUNA ELECTOR LAA / PAKUNA 239-NA
Liquid alkaline cleaner
Ideal for use in cleaning process prior to plating, due to its effectiveness in removing contaminants like mineral oil. Liquid product suitable for use in automatic replenishment system.
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PAKUNA FD-201AA
Water-based cleaner for machining
Suitable for use in spray or immersion cleaning.
Exhibits excellent cleaning performance even at low-temperatures and in low-concentrations. -
PAKUNA FD-137N
Neutral water-based cleaner
A very safe neutral cleaner with fast removal action for contaminants such as various types of mineral oils, and animal and vegetable oils adhered on different types of materials.
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PAKUNA ELECTOR AA
Cyanide-free electrolytic cleaner
Superior cleaning performance and ease of wastewater treatment.
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PAKUNA ELECTOR QC-2SKA
Phosphate-free silicate-free electrolytic cleaner for steel
Excellent performance in removing various types of contaminants, leading to improved plating finish and reduced plating defects.
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PAKUNA ELECTOR LAA
Non-chelated electrolytic cleaner
Single liquid alkaline electrolytic cleaner.
Suitable for use in automatic replenishment system.
Brighteners for zinc plating
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METASU FZ-77A1A / FZ-77GC1A
Zinc plating brightener system for high temperature chloride bath
Reduction in energy and electricity costs thanks to lower chiller usage
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METASU ZES-M/G/R
Zinc plating brightener system for high performance alkaline baths
Excellent productivity performance and consistent plating from high to low current density areas
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METASU AZ
Zinc-iron alloy plating brightener system for alkaline baths
Zinc-iron alloy plated coating with high corrosion resistance can be obtained in an alkaline zinc-iron alloy plating bath.
Passivation agents
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METASU YFA-BMA / HRA
Trivalent chromium clear passivation
Self-healing capability and high heat and corrosion resistance can be obtained with a single coat.
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METASU YFE-M2(A) / HRA
Trivalent chromium clear passivation agent for rack plating
Trivalent chromium passivation agent renders cast and forged parts with superior corrosion resistance and temporary rust prevention for iron.
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METASU YFA-L
Additive to reduce total friction coefficient for trivalent chromium passivation
Addition to trivalent chromium passivation to reduce total friction coefficient without affecting the corrosion resistance and waste treatability
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METASU YFK-IAA / IBA
Trivalent chromium black passivation for zinc-iron plating
An enchanting black finish can be obtained. Extended service life, lower replenishment rate and more attractive appearance compared to conventional passivation agents.
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METASU YFB-NAA / NBA
Trivalent chromium black passivation for chloride bath
Increased corrosion resistance compared with conventional products, and extended service life for superior operational performance.
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METASU YFB-ZA / ZB
Trivalent chromium black passivation for alkaline rack plating
A uniform black appearance with high corrosion resistance can be consistently obtained.
Long service life with excellent operational performance. -
METASU YFB-NAA / NB7（A) / RN7（A）
Trivalent chromium black passivation for chloride bath
An enchanting black finish can be obtained. Extended service life, lower replenishment rate and more attractive appearance compared to conventional passivation agents.
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METASU CR-UA / I
Sealer for trivalent chromium black passivation
Ideal for finishing after black passivation.
Enhances resistance to scratches and corrosion. -
METASU CR-CL1(A)
Sealer for trivalent chromium black passivation
A homogeneous lustrous appearance can be obtained by suppressing inconsistencies in color.
Coating products
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METASU YC-B17J / B2 / S15
Chrome-free high corrosion-resistant coating agent
A thin layer made with zinc and aluminum flaked particles offers high corrosion resistance.
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METASU YC-T
Clear topcoat
Higher corrosion resistance can be obtained through its reaction/permeation to the YC-B (basecoat) layer.
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METASU YC-TKA1
Black Topcoat
Coating with a uniform deep toned black appearance that complies with RoHs and ELV regulations.
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METASU YC-T08-R
Topcoat for torque coefficient adjustment
A consistent torque coefficient along with a high corrosion resistance can be obtained when applied on YC-B coating.
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METASU YC-T11-C
Topcoat for torque coefficient adjustment
A consistent torque coefficient along with a high corrosion resistance can be obtained when applied on YC-B coating.
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METASU YC-T15-C
Topcoat for torque coefficient adjustment
A consistent torque coefficient along with a high corrosion resistance can be obtained when applied on METASU YC-B coating.
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METASU YC-T20-B
Topcoat for torque coefficient adjustment
A consistent torque coefficient along with a high corrosion resistance can be obtained when applied on METASU YC-B coating.
Other surface treatment products
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ALUNION MEA
Water-soluble corrosion-resistant agent
Temporary corrosion protection agent for finishing of steel and cast iron parts.
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ALUNION CL-100(A)
Corrosion inhibitor for acid bath
Added to hydrochloric acid and sulfuric acid cleaning liquids to protect the steel surface from corrosion.
