The main chemical composition of quartz crucible is silica, except hydrofluoric acid and not with other acids, easy interaction with caustic alkali and alkali metal carbonate.

    The quartz crucible is good for heat stability and can be directly heated by flame.

    Quartz crucible and glass utensils, easy broken, use when special care

    With quartz crucible can use potassium (sodium), sodium thiosulfate (in 212 degrees Celsius drying) as the flux, the melting temperature of not more than 800 degrees Celsius.