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.
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【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.
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"Things that no one has done yet" and "There are surely people who will be happy if it exists"… The Yamato Kasei Group develops its unique chemical business in niche markets that major manufacturers do not tackle, under the spirit of 'San-so.' The value of the Yamato Kasei Group lies in launching new products into the world through original technology development that does not imitate others. With this sentiment in mind, we adopted "We are Chemical Innovators" as our corporate slogan. To put this slogan into practice, we will continuously challenge ourselves with new, interesting, and unprecedented endeavors.