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Quartz Glass, Fused quartz ,Quartz Tubing, Quartz Tube, Ozone-Free , UV-Blocking, Milk-white, Window, Piece, Disc, Vessel, Rod, Machining, Flange ，Sleeve, Ring ,UV sensor, Infrared radiator, Optical Fused Quartz ,China

 Fused Quartz Machining
1. Piece; Disc; Window  
2.Vessel  
3. Flange
4. Sleeve  
5.Granule  
6.Instruments  
7.Filler  
8.Ring  
9.Quartz Tubes  
10.Red radiate  
11.  
12.
 

Fused quartz flange
 
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
Thermal properties
Strain temperature 1075 degree Centigrade
Annealing temperature 1180 degree Centigrade
Softening temperature 1730 degree Centigrade
Working range 1700 -2100 degree Centigrade
Mechanical properties
 Rigidity modulus 3.2X104 MPa
Density 2.2 g/cm2
Young's modulus 7.4X104MPa
compressive strength 2X104 MPa
Tensile strength 70 MPa
Shear strength 70 MPa
Thermal expansion coefficient 0.5x10-6 /oC
Physical Properties
Density [g/cm2] 2.2
Thermal Expansion
Coefficient [cm/cm oC ] 5.5x10-7
Softening Point [oC ] 1690
Annealing Point [oC ] 1215
Strain Point [oC ] 1120
Index of refraction 1.4585
Specific Heat [ J / kgoK ] 670
Young*s Modulus [psi] > 10.5x106
Electrical Resistivity
[ohm cm @ 350oC  ] 7x109
Dielectric Constant [@1MHz] 3.
Wavelenth through（% ） thickness:1mm
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