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Fused Quartz Rod
Type Application: Used by the window of High temperature high pressure
  Chemical analysis : (typical content ) Vitreous SiO2 99.9%
Li Na K Fe Al Ca Mg Cu Co B Ti Mn Ni OH
0.55 1.8 1.5 0.55 18.0 2.6 0.65 0.25 0.02 0.22 0.95 0.05 0.03

160
18 1 2 1 1 1 1 2 1 1 1 2 2   160
  Dimensional Tolerances and Prices:
Diameter [mm] 2 3 4 5 6 7 8 9 10 12 13 30-70
Tolerance(mm) 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.5
Prices(USD$/kg) 8 7 6 6 6 6 6 6 7 8 12 80
 
Length:500-1200±5 mm;Max.Ovality 2%; Max.Bow 2 %;
Packing: Lengths 1200mm, Size 150x250mm.
Typical Physical Properties
Property Typical Values
Density 2.2x103 kg/m3
Hardness 5.5 - 6.5 Mohs' Scale 570 KHN 100
Design Tensile Strength 4.8x10 7 Pa (N/m2) (7000 psi)
Design Compressive Strength Greater than 1.1 x l09 Pa (160,000 psi)
Bulk Modulus 3.7x1010 Pa (5.3x106 psi)
Rigidity Modulus 3.1x1010 Pa (4.5x106 psi)
Young's Modulus 7.2x10-10 Pa (10.5x106 psi)
Poisson's Ratio 0.17
Coefficient of Thermal Expansion 5.5x10-7 cm/cm . oC (20鳦-320ºC)
Thermal Conductivity 1.4 W/m . oC
Specific Heat 670 J/kg . oC
Softening Point  1683ºC
Annealing Point  1215 oC
Strain Point     1120 oC
Electrical Receptivity 7x107 ohm cm (350oC)
Dielectric Properties (20oCand 1 MHz)
Constant 3.75
Strength 5x107 V/m
Loss Factor Less than 4x10-4
Dissipation Factor Less than 1x10-4
Index of Refraction 1.4585
Contingence (Nu) 67.56
Velocity of Sound-Shear Wave 3.75x103 m/s
Velocity of Sound/Compression Wave 5.90x103 m/s
Sonic Attenuation Less than 11 db/m MHz
Permeability Constants (cm3 mm/cm2 sec cm of Hg) (700oC)
Helium 210x10-10
Hydrogen 21x10-10
Deuterium 17x10-10
Neon 9.5x10-10
JD Quartz & Jewel Co.,Ltd. all rights reserved
Address : Beijing China    Fax:  86-010-65519794  
E-mail : quartzjd@sina.com    http://www.quartz-jd.cn.net
Modification date：05-11-15