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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 Tubing
1. Quartz Tubing  
2. Quartz Tubes  
3.Clean  
4.Ozone-Free  
5.UV-Blocking  
6.Fluorescence  
7.Black-red  
8.High-Precision  
9.Milk-white  
10.UV filter  
11.High-temperature  
12.Blueness
 

High-Precision Fused Quartz Tubing
 
OD：1.5-5.0±0.03mm
ID：0.9-4.0±0.005mm
ypical Trace Element Composition  (ppm)
Al B Ca Co Cu Fe K Li Na Mn Ni Ti OH
20 1 4 1 1 2 4 2 4 1 1 2 5-160
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/kgk] 670
Young*s Modulus[psi] < 10.5x106
Electrical Resistively
[ohm cm @ 350oC] 7x109
Dielectric Constant [@1MHz] 3.75
 
 
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：06-10-19