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Grade a Ultra High Purity Fused Silica Granules 1-3 mm, Sio2 ≥99.95% for Solar Crucible & Refractory Applications, Find Details and Price about Ultra Pure Fused Silica 1-3mm Fused Silica from Grade a Ultra High Purity Fused Silica Granules 1-3 mm, Sio2 ≥99.95% for Solar Crucible & Refractory Applications - Lianyungang Runlai Quartz Technology Co., Ltd.