Achieving "Chromic Acid Zero" in Optical Glass Cleaning
"Chromic acid mixture," which has been used for many years in the cleaning of polished optical glass and quartz glass. However, due to the regulations on hexavalent chromium, waste treatment costs, and worker safety concerns, the introduction of alternative technologies has become an unavoidable issue. Therefore, we propose "electrolytic sulfuric acid cleaning," which achieves complete chromium-free status while possessing organic stain removal performance equivalent to that of chromic acid.
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basic information
Basic Specifications External Dimensions: 560(W) × 560(D) × 950(H) mm Device Configuration: Electrolytic cell (2 conductive diamonds), DC power supply, diaphragm pump, aluminum frame, beaker <Electrolytic Sulfuric Acid Generation Conditions> Sulfuric Acid Concentration: 5–80 wt% Solution Temperature: 20–70℃ (when using a water bath) Sulfuric Acid Volume: 1500–2000 mL Current Value: 5–40 A (up to 30 A/dm²)
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Applications/Examples of results
Cleaning of optical glass components Cleaning of quartz glass components
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Download All Catalogs![[New Product] Simple Electrolytic Sulfuric Acid Generation Device](https://image.mono.ipros.com/public/catalog/image/01/ddc/769886/IPROS66021176529115507486.jpeg?w=120&h=170)
Company information
Our company is a manufacturer that synthesizes and produces conductive diamonds using CVD. We have conducted research focused on film formation conditions over many years, establishing know-how for durability, high conductivity, and stable film formation over large areas. Diamonds, which possess unique properties such as high hardness, refractive index, thermal conductivity, and chemical stability, are increasingly in demand as materials that can respond to technological advancements and environmental impact reduction. Please feel free to contact us if you have any inquiries.
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