Electroless plating. For the dissolution of acidic type zinc varnish.

高浴温対応型酸性浴亜鉛めっき光沢剤
Preventing the greenhouse effect caused by carbon dioxide emissions from energy systems that burn fossil fuels, and reducing industrial waste as an environmental issue, have become global challenges.
To help solve these challenges, we developed Metas FZ-77, a high bath temperature compatible acid zinc plating brightener. By using it at high bath temperatures (30-45°C), it achieves energy savings through reduced cooling power consumption, lower electricity costs, and reduced industrial waste by preventing the increase in plating solution caused by cooling.
＜Features＞
・It has a wide plating bath range, allowing for good high-gloss plating over a wide bath temperature range of 20-60°C.
　However, to fully leverage the brightener's performance and realize its benefits on-site, we recommend using it at 30-45
　°C.
　By increasing the plating bath temperature, the following benefits can be obtained:
　① Operations can be performed without cooling the plating solution.
　② There is no increase in plating solution.
　③ Plating conductivity improves, increasing productivity.
　④ Plating physical properties improve, offering excellent secondary workability and preventing chipping.
　⑤ Chromate adhesion improves compared to conventional methods.
・Can be used in all-ammonium baths to 1:1 ammonium-potassium mixed baths.
・Low mist and odor, ensuring a good working environment.
Product Specifications
Properties
Appearance Brown liquid (FZ-77A(T))
Brown liquid (FZ-77GC(T))
＊The shade of the product's color does not affect performance
Operating Conditions (Standard)
Item Control Range Remarks
Composition Zinc chloride 30～60g/L Managed by analysis.
Metallic zinc 15～30g/L Managed by analysis.
Total chloride 180～220g/L Managed by analysis. Decreased concentration leads to decreased throwing power.
Total chlorine 120～160g/L Managed by analysis. Decreased concentration leads to decreased throwing power.
Metas FZ-77A(T) 0.06～0.12L/KAH Set by barrel drag-out volume.
Metas FZ-77GC(T) 0.03～0.10L/KAH Consumption increases at high bath temperatures.
Conditions pH 5.5～6.3 Managed by pH meter.
Bath temperature 20～60℃ At high bath temperatures, the consumption of GC(T) agent increases.
Cathode current density 0.5～1.5 A/d㎡ The current value per barrel is set according to the barrel shape, part shape, and loading amount.
Anode High-purity zinc (99.99%) Titanium case can be used.
Filtration Continuous filtration A filtration capacity of 2-4 times the plating solution volume per hour is required.