* Fused Quartz Tubes/Silica Tubes:* Specification:* Application:1.
Widely used in chemistry, machinery, laser, optical
instrument, Scientific research laboratory,
Electronics,semiconductor industry etc.2. Our
quartz ampoules features high purity (>99.99%), good
physical and chemical properties, tight tolerances, and low -OH
content. The rods are used in a variety of applications by our
customers. * Properties:1.High purity , SiO2>
99.99%.2.Strong Hardness, Can reach Morse level 7.3.High light
transmission more than 85%.4.High temperature resistance,
can work under 1200°C continuously, and in
short time
can even work under 1500°C.
5.Electric insulation,
it is 10000 times of usual glass.6.Acid
and Alkali
resistance7.Excellent thermal shock stability,Small
thermal expansion coefficient,it is only 5.5×10-7/ºC8.Health care
and environmental protection9.Any dimension can be made.•The three
types of quartz materials have the same Mechanical/Physical
Property:PropertyReference ValuePropertyReference
ValueDensity2.203g/cm3Refractive Index1.45845Compressive
Strength>1100MpaCoefficient of thermal
expansion5.5×10-7cm/cm.ºCBending Strength67MpaMelting point
temperature1700ºCTensile Strength48.3MpaThe work temperature for a
short time1400ºC~1500ºCPoisson's Ration0.14~0.17The work
temperature for a long time1100ºC~1250ºCElastic
Modulus71700MpaResistivity7×107Ω.cmShearing
Modulus31000MpaDielectric
Strength250~400Kv/cmMohs Hardness5.3~6.5(Mohs ScaleDielectric
Constant3.7~3.9Deformation Point1280ºCDielectric absorption
coefficient
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