{"product_id":"otec-walnut-shell-fine-media-h1-400-1lb","title":"OTEC Walnut Shell Fine Media H1\/400-1 Lb Pack","description":"\u003cp\u003eOTEC Walnut Shell Media H1\/400 is a fine-grain, dry polishing media designed to produce a high-gloss, mirror finish on non-ferrous jewelry metals as well as titanium and steel alloys. Each batch arrives pre-impregnated with polishing paste, eliminating the need for additional compound until the 3rd–4th cycle. Compatible with OTEC high-speed dry disc finishers and other dry polishing equipment, this media is suited for the second or final stage of a dry polishing sequence.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFine walnut shell granulate formulated for second or final dry polishing stages\u003c\/li\u003e\n\u003cli\u003ePre-impregnated with polishing paste — no additional compound needed until the 3rd–4th cycle\u003c\/li\u003e\n\u003cli\u003eSuitable for non-ferrous metals, titanium, and steel alloys\u003c\/li\u003e\n\u003cli\u003eCompatible with OTEC dry disc finishers and most dry polishing systems\u003c\/li\u003e\n\u003cli\u003eTargets high-gloss, mirror-finish surfaces on rings, pendants, findings, and small components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMedia Code\u003c\/th\u003e\n\u003ctd\u003eH1\/400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrain Size\u003c\/th\u003e\n\u003ctd\u003e0.4–0.8 mm (≈ 0.016–0.031 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse Stage\u003c\/th\u003e\n\u003ctd\u003eSecond or final step for dry polishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompound\u003c\/th\u003e\n\u003ctd\u003ePre-impregnated; refresh after 3rd–4th cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Cycle Time (OTEC Disc Finisher)\u003c\/th\u003e\n\u003ctd\u003e~2 hours (longer in standard vibratory tumblers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Workpiece Weight\u003c\/th\u003e\n\u003ctd\u003e7–8 g (≈ 0.25–0.28 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003e1 lb (≈ 0.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhen finishing multiple parts in an OTEC dry disc finisher, suspend pieces using a drag or fixture attachment to minimize part-to-part contact and prevent dents or scratches.\u003c\/li\u003e\n\u003cli\u003eOnce the built-in compound is depleted—typically after the 3rd–4th cycle—refresh with OTEC P6 Polishing Paste Compound.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOTEC Walnut Shell Media H1\/400, 1 lb pack\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otec","offers":[{"title":"Default Title","offer_id":43580363997398,"sku":"147.695","price":10.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/otec-walnut-shell-fine-media-h1400-1-lb-pack-otto-frei.jpg?v=1719958137","url":"https:\/\/www.ottofrei.com\/products\/otec-walnut-shell-fine-media-h1-400-1lb","provider":"Otto Frei","version":"1.0","type":"link"}