{"product_id":"cohler-superblack-black-rhodium-plating-solution","title":"Superblack Black Rhodium Plating Solution","description":"\u003cp\u003e\u003cstrong\u003eCohler Superblack Black Rhodium Plating Solution\u003c\/strong\u003e is a pre-mixed, ready-to-use bath plating solution that produces a darker, oxidized grey-black rhodium finish on gold and other precious metals. Formulated for durable, tarnish-resistant two-tone accents and repair work, Superblack plates at room temperature using a platinized titanium anode. \u003cem\u003eFor professional industrial\/occupational use only.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeeper dark finish:\u003c\/strong\u003e Produces a darker oxide-grey\/black tone than standard black rhodium baths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom-temperature operation:\u003c\/strong\u003e No heating required — use with a platinized titanium anode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarnish-resistant coating:\u003c\/strong\u003e Delivers durable, professional results suited to jewelry finishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for two-tone work and touch-ups:\u003c\/strong\u003e Add modern contrast, match dark stones, or accent textures, bezels, and prongs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-mixed and ready to use:\u003c\/strong\u003e Not a concentrate — no dilution or mixing required before plating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003ePre-mixed bath plating solution (ready to use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eRoom temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Anode\u003c\/th\u003e\n\u003ctd\u003ePlatinized titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eContains sulfuric acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Method\u003c\/th\u003e\n\u003ctd\u003eUPS Ground only — USA only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReturns\u003c\/th\u003e\n\u003ctd\u003eAll sales final — not returnable (hazardous material)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eRhodium Content\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e145.423\u003c\/td\u003e\n\u003ctd\u003e½ Pint\u003c\/td\u003e\n\u003ctd\u003e0.5 g Rhodium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e145.424\u003c\/td\u003e\n\u003ctd\u003e1 Pint\u003c\/td\u003e\n\u003ctd\u003e1.0 g Rhodium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the \u003cstrong\u003ebath plating version only\u003c\/strong\u003e — it is \u003cstrong\u003enot a concentrate\u003c\/strong\u003e and is \u003cstrong\u003enot suitable for pen plating\u003c\/strong\u003e. A dedicated pen plating solution is available separately.\u003c\/li\u003e\n\u003cli\u003eContains \u003cstrong\u003esulfuric acid\u003c\/strong\u003e. Always use appropriate PPE, adequate ventilation, and professional plating practices.\u003c\/li\u003e\n\u003cli\u003eThorough surface preparation — including cleaning and activation or strike where required — is essential for proper adhesion and uniform color.\u003c\/li\u003e\n\u003cli\u003eNot all metals can be rhodium plated. Successful results require correct equipment, chemistries, and processes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping restrictions:\u003c\/strong\u003e UPS Ground only. No air service or USPS. USA shipments only — cannot be shipped internationally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll sales are final.\u003c\/strong\u003e This product cannot be returned due to its hazardous material classification.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cohler","offers":[{"title":"1\/2 Pint","offer_id":47807095177430,"sku":"145.423","price":350.0,"currency_code":"USD","in_stock":true},{"title":"1 Pint","offer_id":47551700271318,"sku":"145.424","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/superblack-black-rhodium-plating-solution-otto-frei-1.jpg?v=1719958865","url":"https:\/\/www.ottofrei.com\/products\/cohler-superblack-black-rhodium-plating-solution","provider":"Otto Frei","version":"1.0","type":"link"}