[Electronic Components] Silver Tarnish Preventive Agent New Dine Silver α
Protect your products! Silver tarnish prevention agent New Dine Silver α
Silver is generally prone to sulfide formation, which has the drawback of reacting with hydrogen sulfide and turning black. This discoloration can progress beyond a superficial change to internal corrosion, leading not only to a loss of aesthetic appeal and product value but also negatively impacting surface functions such as solderability and contact electrical resistance. This is an important product that can improve those effects. This product is an improved type with enhanced sulfide resistance. [Application Scenes] - Prevention of silver discoloration [Effects of Introduction] - Can be used on silver and silver-plated surfaces without color change.
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【Features】 - Improved type with enhanced sulfur resistance. - Exhibits strong effectiveness in preventing discoloration for all silver, silver alloy, and silver-plated products, making it ideal for surface treatment of electronic components and decorative items. - Provides powerful discoloration prevention for copper substrates with silver plating, making it effective even for pinholes when the silver film is thin. - Does not affect the contact resistance or solder wettability of metal surfaces. There are no stains or stickiness after treatment, and the appearance of the treated items remains unchanged from before treatment. - Contains no heavy metals such as chromium or organic solvents, and does not fall under the Poisonous and Deleterious Substances Control Law, the Industrial Safety and Health Law, the Fire Service Law, or the PRTR Law. - New Dine Silver α is used at temperatures of 40 to 50°C. - The water-soluble pH is near neutral, with a recommended usage pH of 2 to 7. 【Our Strengths】 The Yamato Chemical Group develops a unique chemical business in niche markets that major manufacturers do not engage in, based on the spirit of "San-Sou." Our value lies in launching new products into the world through original technology development that does not imitate others.
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Applications/Examples of results
【Examples of Use】 * Connector contacts * Terminal parts of printed circuit boards * Contact points of switches * Decorative items
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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.
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