Opaque Quartz Tube

With the adoption of distinvtive technique,this opaque quartz glass tube has its typical characteristics of good visual aspects and stable physical&chemical properties.it serves as materrial of infrared heating lamps for heaters,microwave oven ,sterilization container and other consumer and industrial infrared application .further processing of trim cutting can be done according to the demand of the customers. For detailed dimensional tolerance and technical data,please see tableI，table II. Dimensional Tolerance (table Ⅰ) Range of 0D 0D WT Siding Out of Round Bow/1220mm 8.00-15.00mm ±2.0％ ±10％ 15％ 1.5％ 2.5mm 15.00-20.00mm ±1.5％ ±10％ 15％ 1.5％ 2.5mm 20.00-25.00mm ±1.5％ ±10％ 15％ 1.5％ 3.0mm

Chemical composition&OH (table Ⅱ)

Opalescence SiO2 Heat Resistance Spectral transmission au 500nm＜10％ SiO2＞99.5％ Keep Under 900℃  for  15miunutes, then put into 20℃water3  times,no crack