{"product_id":"silicon-dioxide-powder-99-percent-purity-325-mesh","title":"Silicon Dioxide Powder 99 Percent Purity -325 Mesh 500G Resealable Bag Silica Sand Quartz Cristobalite For Lab Use Casting Coatings Epoxy And DIY Projects Kit","description":"\u003cdiv\u003eSilica Dioxide Powder, 99% Purity, 325 Mesh, 500g \u003cbr\u003e\n✔️ 99% SiO2, -325 mesh, 500g resealable lab bag for labs and DIY \u003cp\u003eSilicon dioxide powder is a high-purity silica material used in labs, casting, coatings, epoxy work, and various DIY projects. It comes in a resealable poly bag for easy storage and handling, ensuring long-term shelf life and mess-free use.\u003c\/p\u003e ✅ 99% minimum SiO2 purity \u003cbr\u003e\n✅ -325 mesh size with tight distribution \u003cbr\u003e\n✅ Mohs hardness 7; pH ~7 in 5% suspension \u003cbr\u003e\n✅ Specific gravity 2.65; quartz mineral \u003cbr\u003e\n✅ Iron oxide content \u0026lt;0.03% \u003cbr\u003e\n✅ CAS 60676-86-0; synonyms Cristobalite, Quartz \u003cbr\u003e\n✅ Pack size: 500g resealable bag \u003cbr\u003e \u003cp\u003e💡 What is silica dioxide powder used for in labs and DIY projects?\u003c\/p\u003e\n\u003cp\u003eSilicon dioxide powder is a handy, inert material used for reliable texture, opacity, and chemical stability in both professional labs and home workshops.\u003c\/p\u003e\n- Epoxy casting, coatings, and surface finishing \u003cbr\u003e\n- Lab sample prep, filtration aids, and analytical mixing \u003cbr\u003e\n- Ceramic and glasswork filler for plaster composites and DIY projects \u003cbr\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48210968609003,"sku":"VXB01729IOBS","price":151.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71HCa3Om7fL.jpg?v=1778816791","url":"https:\/\/vxb.com\/products\/silicon-dioxide-powder-99-percent-purity-325-mesh","provider":"VXB Bearings","version":"1.0","type":"link"}