Naniwa DUP-09 CCD-E-18 (Hot) — Long Review

Overview

The Naniwa DUP-09 CCD-E-18 "Hot" (often listed as DUP-09 CCD E-18 Hot) is a synthetic abrasive polishing compound from Naniwa, a well-known Japanese maker of sharpening and polishing products. It’s designed primarily for final polishing of blades, chisels, and small tools, often used by knife makers, restorers, and hobbyists to produce a high-gloss finish on steels and some other metals. The “Hot” variant indicates a slightly more aggressive or fast-cutting formulation compared with some of their milder polishes, aimed at removing faint scratches left by preceding grits and delivering mirror-like luster.

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6. The Cost and Lead Time Factor

Because "HOT" grades require specialty stabilizers (often copper iodide or proprietary organic salts), and "CCD" demands precise carbon nanotube or carbon black dispersion, this material sits in the mid-to-premium pricing tier.

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