Discoloration Preventive Agent for Zinc Plating - VERZONE DA-3
Suppress discoloration of tin plating with the formation of a water-repellent film! It is an acidic, immersion-type tin plating discoloration prevention agent.
"VERZONE DA-3" is a discoloration prevention agent for tin plating that exhibits a powerful discoloration prevention effect. This treatment solution is acidic and can be used with a simple immersion treatment. In constant temperature and humidity tests (85°C/85% RH), there is no discoloration after 120 hours, and there is almost no change in solder wettability before and after the discoloration prevention treatment. 【Example of Treatment Process】 ■ Tin and tin alloy plating ■ Rinsing ■ Discoloration prevention ■ Rinsing ■ Drying *For more details, please refer to the PDF document or feel free to contact us.
basic information
【Usage Conditions】 ■Recommended Conditions ・VERZONE DA-3 (mL/L): 100 ・pH: 2.8 ・Processing Temperature (°C): 50 ・Processing Time (sec): 15 to 120 ・Stirring: Still to gentle shaking or liquid flow *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
