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Quartz crucible made by vacuum arc method (hereinafter referred to as arc crucible) is the world's advanced technology. It is a necessary high-purity consumables in manufacture of mono-crystalline silicon rods semiconductor chips (electronic grade) and solar cells (solar grade). With high purity, excellent temperature resistance properties, it is the first choice in producing high quality mono crystalline silica. Specifications of 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 22 inch and 24 inch are available. Specifications: (mm)Specification(Inch)Out Diameter HeightThickness Of Wall 1Thickness of Wall 2Thickness of Wall 3Redius of bottomRedius of Edge 10254+2192±36.5+16.5+16.5+130570-2-1-1-112305+2229±38.0+18.0+18+130580-2-1-1-114355+2280±39.0+19.0+19.0+140090-2-1-1-116406+2280±39.0+19.0+19.0+145090-2-1-1-118457+3321±39.0+19.0+19.0+1500120-3-1-1-120506+3360±310.0+110.0+110.0+151090-3-1-1-122556+3380±311.0+111.0+111.0+1558130-3-1-1-1 Other dimensions and tolerances are customized.