Company record
Allblack Co., Inc. provides metal‑finishing solutions that encompass black‑oxide treatment, manganese coating, and zinc‑phosphate application. Black‑oxide can be deposited on a range of substrates, including carbon steel, stainless steel, brass and bronze. Recent formulations of the black‑oxide baths incorporate additives designed to boost both corrosion resistance and abrasion durability. Zinc‑phosphate processes generate a non‑metallic, highly corrosion‑resistant layer
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