Electropolishing (EP) and GEP/GEP-W of Nichisho Astec Co., Ltd.
Nichisho Astec's Electrolytic Polishing (EP) / GOLD EP / GOLD EP WHITE
Electrolytic polishing (EP) can be applied uniformly and with high quality, regardless of the shape or size of the target item.
Effective electro-polishing for high hygiene management and stability of product composition "Electro-polishing" removes fine burrs and particles from products while forming a corrosion-resistant, chromium-rich passive film. It is highly effective for hygiene management and stability of product composition required in manufacturing facilities for pharmaceuticals, chemicals, medical devices, semiconductors, beverages, and more. We manufacture jigs and electrodes tailored to various shapes and sizes, and we also accommodate the electro-polishing of thin tubes. In particular, the Sasayama factory has been dedicated to the refinement of electro-polishing (EP) technology and the accumulation of know-how for over 30 years since 1985 as a specialized electro-polishing factory. We have received high evaluations from our customers for the range of polishing targets and the quality of the finish.
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basic information
Characteristics of Electrolytic Polishing (EP) - The treated surface is extremely smooth (slippery). - A dense passive film is present. - A layer enriched with corrosion-resistant chromium (chromium-rich layer) is present. Benefits of Electrolytic Polishing (EP) - Improved cleanability. - Difficulty in adhering of fine powders. - Strong rust prevention effect. - Enhanced chemical resistance. - No processing alteration layer. ■ Stainless Steel Surface Treatment Technology that Clears the Challenges of Ultra-Cleaning Technology: GOLD EP (GEP) / GOLD EP WHITE (GDEW) Our company utilizes advanced technology and extensive know-how in electrolytic polishing to provide surface treatment GEP/GEPW that adds high added value to stainless steel for our customers. ■ Features of GEP/GEPW - Measures against metal ion elution and TOC (Total Organic Carbon) contamination. - Possesses a highly smooth surface and is resistant to particles (dust, dirt, foreign matter, etc.). - Excellent heat resistance and pressure resistance, with a wide range of applications. - Superior workability and constructability for bending, ferrule connections, welding, etc. - Mechanical strength is equivalent to that of stainless steel.
Price information
It varies depending on the specifications. Please contact our sales department for inquiries.
Delivery Time
※The delivery date may vary depending on the specifications, so please feel free to contact us.
Applications/Examples of results
Fluid, gas, and powder process piping, manufacturing tanks, and storage containers for various factories such as pharmaceutical manufacturing, food manufacturing, beverage manufacturing, and sake brewing. Manufacturing gas capillaries used in semiconductor and electronic component manufacturing.
Company information
Since our establishment nearly half a century ago, we have accumulated specialized knowledge and processing know-how of stainless steel materials as a wholesaler and processor. We have a rich inventory of sanitary steel pipes (BA, EP) and sanitary fittings. We provide optimal solutions for our customers by combining material selection and procurement, custom manufacturing of process piping and containers, modularization and prefabrication, surface treatments such as passivation and electropolishing, as well as on-site installation and various inspections. - Custom manufacturing of sanitary process piping (for beverages, food, pharmaceuticals, semiconductor manufacturing equipment, etc.) - 50 years of history in electropolishing (EP) with comprehensive surface treatment capabilities - Two cleanroom factories equipped for clean processing and clean washing packaging - Production of sanitary fitting materials with Japanese quality by our subsidiary in Vietnam - On-site cleaning, installation work, and inspections, demonstrating strong on-site support capabilities - In-house processing capabilities including cutting, welding, polishing, and cleaning - Abundant inventory of BA and EP pipes and strong procurement capabilities - We handle not only process piping but also tanks, equipment, frames, handrails, storage units, and utility piping.
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