Technology for copper alloy (such as brass) products applied to steel. High-quality coatings for deep and sophisticated designs.
The "Arc Pattern Sulfide Smoke Surface Treatment Coating" is a surface treatment technology that forms a copper alloy coating on steel and SUS products using a painting method, and applies a "sulfide smoke" surface treatment with an arc pattern on that surface. It solves the challenging issue of mechanical polishing and expresses "sulfide smoke" on steel (general-purpose material) products, further enhancing it with an arc pattern to create a rich color. Experience the craftsmanship refined by traditional and new technologies. 【Features】 ○ Applicable to steel and SUS products ○ Low cost ○ Practicalized through mechanical polishing ○ Expresses rich colors ○ Dry method For more details, please contact us or download the catalog.
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basic information
【Lineup】 ○ Copper-colored sulfurized finish ○ Bronze-colored sulfurized finish ○ Brass-colored sulfurized finish 【Coating Composition】 ○ Stainless steel base → Primer layer → Copper alloy layer → 3S (arc) polishing layer → Sulfurized finish color layer → Fluorine clear layer ● For more details, please contact us or download the catalog.
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Applications/Examples of results
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Company information
Koei Protech Co., Ltd. is involved in a wide range of metal product painting and special surface treatments. For traditional Japanese structures such as temples and shrines, we apply sulfur blackening, verdigris, and red rust finishes to evoke the aesthetic of wabi-sabi. Additionally, modern interiors are enhanced with piano finishes and color clear coatings that create a luxurious and vibrant atmosphere. We promise that various architectural hardware, both exterior and interior, will create the best visual appeal through the wisdom and skills of our skilled craftsmen.
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