{"product_id":"magnesium-carbonate-1-pound-currently-out-of-stock","title":"Magnesium Carbonate","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eKey Features \u0026amp; Benefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePurified inorganic compound: magnesium carbonate (MgCO₃) — white, odorless powder. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent versatility: acts as a filler, drying agent, antacid raw material, absorbing agent or sports chalk base. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConvenient size: 1-pound (≈ 0.45 kg) bag — small enough for specialist users, labs, studios or boutique production.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh technical grade quality: suitable for numerous industrial, cosmetic and sports-related uses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUS-based shipping: stored and dispatched from Sheffield, United States — streamlined logistics for domestic buyers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eTypical Applications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSports \u0026amp; Fitness Chalk\u003c\/strong\u003e: Known in climbing, gymnastics, weight-lifting as “chalk” because magnesium carbonate dries hands, improving grip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCosmetics \u0026amp; Personal Care\u003c\/strong\u003e: Used as filler, absorbing powder and anti-caking agent in face powders, body powders and mattifying cosmetic blends. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Fillers \u0026amp; Reinforcements\u003c\/strong\u003e: Serves as filler in rubber\/plastic composites, paper, refractory materials, glass and ceramics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChemical \u0026amp; Manufacturing Use\u003c\/strong\u003e: Source for magnesium oxide production (via calcination), or used as base chemical raw material. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eTechnical \u0026amp; Handling Info:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eChemical Formula: MgCO₃. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAppearance: White powder, odourless, insoluble in water (but reactive with acids). \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage: Keep dry, sealed and away from strong acids or incompatible chemicals; moisture control recommended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety: Although non-toxic in many applications, wear appropriate PPE (dust mask, eyewear) when handling fine powders; avoid inhalation and keep away from children if used in sports or cosmetic environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePackaging: Supplied in sealed bag, clearly labelled with chemical name and weight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eWhy Choose This Product?\u003c\/h2\u003e\n\u003cp\u003eFor industrial formulators, cosmetic-blend developers, sport chalk producers or boutique lab users — this 1-pound format offers an optimal size: large enough for meaningful use, small enough to avoid excess inventory. Backed by quality raw-material provenance and shipped domestically from Sheffield, US, it provides reliability, flexibility and ease of use.\u003c\/p\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eUse \u0026amp; Application Tips (Staff-College-style “Order of Battle”):\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRecon \u0026amp; Setup\u003c\/strong\u003e: Establish your specific use-case (chalk, filler, cosmetic additive, chemical feed). Confirm compatibility of magnesium carbonate with your formulation matrix.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeployment\u003c\/strong\u003e: Weigh out required amount; if blending, ensure uniform dispersion (especially for fillers or cosmetic powders). For sports-chalk use: dust hands or mixing bin lightly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMonitoring \u0026amp; Adjustments\u003c\/strong\u003e: Because magnesium carbonate offers different behaviour (absorption, flow, dust) compared to alternatives, test for flow, clumping, moisture uptake or aesthetic finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAfter-Action Maintenance\u003c\/strong\u003e: Reseal remaining product promptly, store in dry environment; label bag for “technical use – magnesium carbonate powder”.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContingency \/ Scaling\u003c\/strong\u003e: Keep small sample for reference and future lot comparison. For larger scale use, consider contacting for bulk \/ higher grade options.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Call us at 1-888-774-2529.\u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":52801847624051,"sku":"RMMAGCAR","price":22.25,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":52801847656819,"sku":"RMMAGCAR-5","price":102.75,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":52801847689587,"sku":"RMMAGCAR10","price":197.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":52801847722355,"sku":"RMMAGCAR25","price":472.5,"currency_code":"USD","in_stock":true},{"title":"33 Pounds","offer_id":52801847755123,"sku":"RMMAGCAR50","price":564.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Magnesium-Carbonate-2.jpg?v=1754317681","url":"https:\/\/www.sheffield-pottery.live\/products\/magnesium-carbonate-1-pound-currently-out-of-stock","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}