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Hot Products

Fused Quartz Crucible

Standard Quartz Crucible

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High Quality Quartz Crucible

High-purity Quartz Crucible 22

Quartz Crucible

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Ceramic Tapered Tube

Fused Silica Crucible

Quartz Crucible for Melting 22

FAQ

What are the functional features of quartz crucibles?: In addition to HF, quartz glass crucibles are usually diluted with inorganic acids, which can be used as cleaning solutions.

What's the difference between a quartz crucible and a porcelain crucible?: The quartz crucible is white and transparent, and the opal crucible is used below 1200 degrees. The transparent crucible is used below 1400 degrees. The ceramic crucible is used at 1400-1600 degreesThe quartz crucible is resistant to acid and alkali, but hydrofluoric acid is not availableCeramic crucible does not resist strong alkali

Can porcelain crucible, quartz crucible and alumina crucible be filled with aluminium hydroxide?: Quartz glass crucible can be used below 1450 degrees. It is divided into two kinds: transparent and opaque

What are the main differences between the corundum crucible and the quartz crucible?: Corundum crucible: corundum crucible is composed of porous fused alumina, hard and refractory; corundum crucible for melting flux samples with anhydrous Na2C03 and some alkaline substances, not suitable for use in Na 202 and NaOH strong alkaline substances and acidic substances as flux (as K2S 207) melt sample.

At present, the quartz crucible used in Czochralski silicon is used to make use of barium coating, but how does the oxygen content rise when the coating react with the silicon melt?: The coating has the effect of increasing the crystallization rate without increasing the cost and is more impractical

What happens when carbon carbon crucibles are cracked?: If the whole crucible is used, the external force of the crucible will cause the fiber damage of the carbon crucible when the quartz crucible is taken.In addition, the carbon carbon crucible may cause cracks during the fabrication of the preform.

What are the sizes of arc quartz crucibles?: HF can not contact, high temperature, easy and caustic alkali carbonate reaction and alkali metal. 3. quartz crucibles are suitable for melting samples with K2S2O7, KHSO4 as flux, and using Na2S207 (first drying at 212 degrees) to treat samples with flux.

How to improve the quality of transparent layer of quartz crucible used for monocrystalline silicon: In order to improve the quality of the transparent quartz crucible layer three: 1: use of raw materials, it is the monopoly of the uni quartz sand.2. vacuum arc furnace production method of vacuum and high pure health, it is important to you in one process pay attention to detail is no good.3., the production process and temperature, etc., these are the details of the process, such as temperature, cooling time ah...