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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 granule

  
Type Application: vaporization film-plating material
It is made by type 180 fused quartz tubing.
 Size: 1-2;2-3; 3-4; 4-5 mm
Typical Trace Element Composition (ppm)
 
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
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 @ 350 oC] 7x109
Dielectric Constant [@1MHz] 3.75
It is machining by 180 type fused quartz tubing.
Outer diameter:5-250mm
Wall thickness:1-6mm;
Length:100-3000mm.
The end of sleeve is flat or round.
Transmittance ：85% (254nm; 1mm; thickness; average)
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