Quartz boat high purity high temperature resistant tubular furnace quartz crucible cleaning boat sulfur detector semicircle multi-specification spot

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Color classification:: Length 50 width 10 height 5mm length 50 width 15 height 7.5mm length 50 width 20 height 10mm length 50 width 25 height 12mm length 50 width 30 height 15mm length 50 width 40 height 20mm length 60 width 15 height 7mm (tile) length 60 width 25 height 12mm (tile) length 100 width 100 width 10 height 5mm length 100 width 15 height 7mm length 100 width 23 height 11.5mm length 100 width 25 height 12.5mm length 100 width 30 height 15mm length 100 width 40 height 20mm length 100 width 45 height 22 .5mm length 100 width 50 height 25mm length 100 width 80 height 40mm length 150 width 70 height 35mm length 200 width 25 height 12.5mm length 200 width 40 height 20mm length 200 width 70 height 35mm length 30 width 10 height 5mm other specifications can be customized