Prevents self-oxidation of copper due to high temperatures.
The copper discoloration inhibitor "BT-7" forms a heat-resistant acidic compound on the surface of copper, preventing self-oxidation of copper due to high temperatures. It is a highly specific copper discoloration inhibitor that allows for easy formation of a coating through immersion treatment. 【Features】 ■ Organic substances form complexes with copper, protecting the copper surface from oxidation. ■ Since preventing copper discoloration often requires high-temperature resistance, we offer a high-temperature resistant discoloration inhibitor. ■ The pH of the discoloration inhibitor is neutral (except for BT-14). ■ The concentrate can be diluted from 20 times to 10 times for use, making it cost-effective. ■ Treatment at room temperature is also possible. For optimal performance in a short time, a treatment temperature of 50-60°C is recommended. 【Specifications】 ■ Appearance: Pale yellow transparent liquid ■ Specific gravity: 0.95 ■ pH: Neutral For more details, please contact us or download the catalog.
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basic information
【Features】 ○ Simply diluting with warm water and immersing prevents oxidation for a long time and maintains a beautiful surface. ○ The surface treated with this agent does not change electrical resistance and does not affect adhesion to oils. ○ Being neutral and water-soluble, there are no restrictions on the choice of treatment tanks or hygiene, and there are no concerns about pollution. ○ Even after immersing and drying with copper and copper alloys, applying high temperatures of around 120°C results in minimal self-oxidation of the film. 【Usage Instructions】 Copper material → Degreasing → Water washing → CU-600 → Water washing → BT-7 → Water washing → Drying Point 1… If the copper surface is not kept clean, unevenness will occur, leading to early discoloration due to the inability to achieve a uniform rust-proof film. Point 2… If water droplets are left during the drying process, water marks will form, so be sure to completely remove any water droplets. ● For more details, please contact us or download the catalog.
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Applications/Examples of results
●Prevention of discoloration of copper materials and copper products. We have a proven track record in preventing the formation of oxide films (discoloration) on various copper materials and copper alloys, including primary rust inhibitors for copper-plated items. ●For more details, please contact us or download the catalog.
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Company information
Asahi Co., Ltd. has been in operation since 1958, and we have always listened to our customers' requests and focused on researching and developing products that meet their needs. So far, we have released numerous products, including cleaning agents for kitchens, car shampoos and waxes for car wash machines, as well as copper and silver tarnish prevention agents. In recent years, there has been a growing demand for environmentally friendly chemicals, leading to an increase in requests for degreasers, cleaning agents, tarnish prevention agents for semiconductors, and high heat-resistant tarnish prevention agents that do not use strong acids or strong alkalis. Our products have traditionally been developed in response to such voices. Moving forward, we will continue to listen to various feedback and develop new products.