Properties of Standard Transparent Quartz Glass Tube/Transparent
Quartz Glass RodThe content of SiO2 is higher than 99.95% in the
product, and it has superior physical and chemical function, for
example, heat resistance, corrosion resistance, good thermal
function, mechanical function and light transmittance. Its hydroxyl
content can be lower than 2ppm. It has widely applied in
manufacturing halogen lamp, mercury lamp, light tube of copy
machine, electric light source products of stage lighting as well
as producing chemical pipelines and heat-resistant utensils,
etc.Physical PropertyDataDensity2.2g/cm3Hardness570KHN100Tensile
strength4.8×107Pa(N/m2)Compression strength>1.1×109
PaCoefficient of thermal
expansion(20ºC-300ºC)5.5×10-7cm/cmºCThermal
conductivity(20ºC)1.4W/mºCSpecific heat(20ºC)660J/kgºCSoftening
point 1730ºCAnnealing point1250ºCThermal
PerformanceCoefficient of linear expansion of quartz glass is lower
than that of all other materials.As quartz glass has extremely low
expansion coefficient, it has very good thermal shock
resistance.Quarts glass is a poor conductor of heat.Optical
PerformanceOne important difference between quartz glass and common
glass is its great transmittance within the whole
spectrum.Electrical PerformanceMain electrical properties of quartz
glass are high dielectric field intensity, low dielectric loss and
low electrical conductivity. Therefore, it is widely used in
manufacturing high-frequency high-pressure insulator, particularly
applicable in high temperature and high mechanical stress
occasions.Chemical PerformanceQuartz glass is a kind of material
with very good chemical stability, and will not react with water,
saline solution and most acid. Compared with common glass, quartz
glass does not absorb moisture or efflorescence. Only hydrofluoric
acid and corrode quartz glass. It has to be noted that quartz glass
is very sensitive to all alkali and alkaline compounds. Even the
very little content of such compound will result in quartz glass
devitrification at high temperature. 2.Quartz Further
Processing SeriesHot processing products: quartz tube
backing sealing, flanging, blister connecting, blisters, curved
pipe and various hetero types, etc.Cold processing
products: grinding,
polishing, drilling, and processing of quartz materials of various
shapes. /* January 22, 2024 19:08:37 */!function(){function
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