Naniwa Dup 09 Ccd E 18 Hot
Because this is an "E 18" (Extra Hard) stone, flattening it requires diamond plates. Do not use a SiC flattening stone (like a Norton Flattening Stone) as the hardness mismatch will cause the DUP 09 to tear chunks out of the SiC stone, glazing both.
The "HOT" suffix is not an exaggeration. Standard Nylon 6/6 has a melting point around 260°C (500°F), but a "hot" grade undergoes additional thermal stabilization.
To understand the material, we must first dissect the nomenclature. While "Naniwa" is less common than major global brands (DuPont, BASF, Sabic), it is a recognized regional supplier—often linked to Japanese or high-spec Asian chemical conglomerates specializing in engineering plastics. naniwa dup 09 ccd e 18 hot
Preliminary Verdict: Naniwa DUP 09 CCD E 18 HOT appears to be a heat-stabilized, carbon-black-dispersed, impact-modified Nylon 66 with 18% glass reinforcement.
In the world of precision metalworking, tool sharpening, and high-gloss finishing, the Japanese brand Naniwa stands as a titan. Known for their chemically engineered abrasives, Naniwa sharpening stones are the gold standard for woodworkers, chefs, and razor enthusiasts. However, within the niche forums and sharpening communities, a cryptic code has been generating significant buzz: "Naniwa DUP 09 CCD E 18 Hot." Because this is an "E 18" (Extra Hard)
If you have stumbled upon this string of characters, you are likely confused, intrigued, or actively searching for a professional-grade stone. Is it a model number? A secret factory code? Or a specific grit rating?
This article decodes every segment of the Naniwa DUP 09 CCD E 18 Hot, explains why this stone is considered "legendary" among collectors, and outlines how to identify authentic units in a market flooded with imitations. Preliminary Verdict: Naniwa DUP 09 CCD E 18
For context, here is how the Naniwa DUP 09 CCD E 18 Hot stacks up against modern alternatives in the same price range ($120–$180 USD for a used unit).
Streaming services and endless scrolling have numbed our dopamine receptors. The Naniwa DUP 09 CCD E 18 offers a radical alternative. Its "E 18" mode—a cryptic setting that veterans swear unlocks "Emotive 18fps"—forces you to record moments, not content.
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.
You will not find this stone at a big-box retailer. The DUP 09 CCD E 18 Hot is usually salvaged from Japanese industrial liquidations, tool-and-die shops shutting down, or NOS (New Old Stock) eBay listings. Its popularity stems from three specific performance metrics: