{"product_id":"spheres","title":"Single-Crystal Al₂O₃:Cr Spheres Pack of 10","description":"\u003cp data-start=\"162\" data-end=\"422\"\u003eHigh purity single crystal alumina balls made from Al₂O₃, offering excellent hardness, chemical resistance, and outstanding dimensional stability. The chromium doped ruby variant provides a distinctive red color and is suitable for high precision applications.\u003c\/p\u003e\n\u003cp data-start=\"424\" data-end=\"631\"\u003eAvailable in precision grades such as G5 and G10, indicating extremely tight tolerances in diameter, sphericity, and surface finish. Lower grade numbers correspond to higher precision and tighter tolerances.\u003c\/p\u003e\n\u003ch3 data-start=\"638\" data-end=\"658\"\u003ePrecision grades\u003c\/h3\u003e\n\u003cp data-start=\"660\" data-end=\"763\"\u003eGrade G5\u003cbr data-start=\"668\" data-end=\"671\"\u003eDiameter tolerance ±0.13 µm\u003cbr data-start=\"698\" data-end=\"701\"\u003eSphericity 0.13 µm\u003cbr data-start=\"719\" data-end=\"722\"\u003eSurface roughness approximately 0.01 µm\u003c\/p\u003e\n\u003ch3 data-start=\"770\" data-end=\"786\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"788\" data-end=\"933\"\u003ePrecision mechanics and bearings\u003cbr data-start=\"820\" data-end=\"823\"\u003eOptical and measurement systems\u003cbr data-start=\"854\" data-end=\"857\"\u003eVacuum and high purity environments\u003cbr data-start=\"892\" data-end=\"895\"\u003eLaboratory and research applications\u003c\/p\u003e\n\u003ch3 data-start=\"940\" data-end=\"955\"\u003eBulk orders\u003c\/h3\u003e\n\u003cp data-start=\"957\" data-end=\"1031\"\u003eFor large or wholesale quantities, please submit your request via Quotify.\u003c\/p\u003e","brand":"UHV Store of Switzerland - Ultra High Vacuum Technology","offers":[{"title":"Ruby Ø3 mm Grade 5","offer_id":52248936186132,"sku":"SPH(Al2O3:Cr)-D3-G5-PK10","price":49.5,"currency_code":"CHF","in_stock":true},{"title":"Ruby Ø2 mm Grade 5","offer_id":52248936153364,"sku":"SPH(Al2O3:Cr)-D2-G5-PK10","price":38.0,"currency_code":"CHF","in_stock":true},{"title":"Ruby Ø1.5 mm Grade 5","offer_id":52248936120596,"sku":"SPH(Al2O3:Cr)-D1.5-G5-PK10","price":55.0,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0360\/9364\/files\/SingleCrystal-Alumina-D3-Ruby-Balls-PK10_5ab86fe1-706d-44ea-9e60-7f404130bdf4.jpg?v=1773955665","url":"https:\/\/uhvstore.com\/products\/spheres","provider":"UHV Store of Switzerland - Ultra High Vacuum Technology","version":"1.0","type":"link"}