{"product_id":"sparex-no-2-granular-dry-acid-pickle-compound-2-5lb","title":"Sparex No. 2 Granular Dry Acid Compound for Pickling -2-1\/2 Bag","description":"\u003cp\u003eSparex No. 2 is a granular, dry acid compound from Krohn Technical Products for pickling, cleaning, and removing surface oxidation, scale, and incrustation from non-ferrous metals. It is an easy, long-lasting alternative to handling liquid sulfuric acid—producing smooth, clean, bright surfaces without attacking fine detail.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for non-ferrous metals (e.g., silver, gold, copper alloys)\u003c\/li\u003e\n  \u003cli\u003eEffective removal of oxides and firescale\u003c\/li\u003e\n  \u003cli\u003eGranular dry form for convenient mixing and storage\u003c\/li\u003e\n  \u003cli\u003eSafer replacement for liquid sulfuric acid pickles\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eSparex No. 2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eGranular dry acid compound (sodium bisulfate)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePackage Size\u003c\/th\u003e\n\u003ctd\u003e2.5 lb (1.13 kg) bag\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eYield\u003c\/th\u003e\n\u003ctd\u003eMakes approximately 1 gallon (3.8 L) of solution\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eShipping\u003c\/th\u003e\n\u003ctd\u003eGround Only – Hazardous Item\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eIn a dedicated, non-reactive container, add Sparex granules to warm water (never the reverse) and stir to dissolve.\u003c\/li\u003e\n  \u003cli\u003eMaintain solution temperature per your shop practice; quench and pickle as usual.\u003c\/li\u003e\n  \u003cli\u003eRinse work thoroughly after pickling; neutralize with a mild baking soda bath if desired.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSafety \u0026amp; Handling\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoison – Causes Burns.\u003c\/strong\u003e Contains sodium bisulfate.\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with skin, eyes, or clothing; do not inhale dust; harmful if swallowed.\u003c\/li\u003e\n  \u003cli\u003eWear appropriate PPE: gloves, eye protection, and ensure adequate ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStore in a cool, dry place; keep bag tightly closed when not in use.\u003c\/li\u003e\n  \u003cli\u003eDue to hazardous classification, this item ships Ground Only and cannot be shipped via air service.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43584391381206,"sku":"145.127","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sparex-no-2-granular-dry-acid-compound-for-pickling-2-12-bag-otto-frei.jpg?v=1719956231","url":"https:\/\/www.ottofrei.com\/ja\/products\/sparex-no-2-granular-dry-acid-pickle-compound-2-5lb","provider":"Otto Frei","version":"1.0","type":"link"}