China Polishing Milky White Silica Quartz Glass Flange Opaque Quartz Tube, Find details about China Milky White Quartz Flange, Fused Silica Quartz Glass Tubing from Polishing Milky White Silica Quartz Glass Flange Opaque Quartz Tube
Chemical composition (unit:ppm)
Al | Fe | K | L | C | N | B | C | M | OH |
20 | 0.4 | 1 | 1.4 | 0.01 | 1.5 | 0.2 | 0.5 | 0.05 | 120--260 |
Material | Quartz |
Color | Transparent or clear |
Surface | No Air Bubble ,no process |
Density | 2.1g/cm 3 |
Degree of Hardness | 6.5Moh's Scale |
Softening Point | 1750 C |
Strain | 1270 C Fused The Quartz Glass Brick |
PPM grade | Controlled 10/20/100 PPM |
Shape | Circle/Square /Rectangle |
Thickness | 0.5 MM-100 MM |
Parameter/ Value | JGS1 | JGS2 | JGS3 |
Maximum Size | <φ200mm<> | <φ300mm<> | <φ200mm<> |
Transmission Range | 0.17~2.10um (Tavg>90%) | 0.26~2.10um (Tavg>85%) | 0.185~3.52um (Tavg-85%) |
OH- content | 1200ppm | 150ppm | 5ppm |
Fluorescence (ex254nm) | Virtually Free | Strong V-B | Strong V-B |
Impurity Content | 5ppm | 20-40ppm | 40-50ppm |
Birefringence Constant | 2-4nm/cm | 4-6nm/cm | 4-10nm/cm |
Melting Method | Synthetic CVD | Oxy-Hydrogen melting | Electrical melting |
Applications | Laser substrate: window, lens, prism, mirror | Semiconductor and high temperature window | IR & UV substrate |
1.Q: How can I get some samples?
A: If we have sample in stock, we can offer it free.
However, you need to afford the freight charge.
If it is need to be customized,we will charge you some fees without profit.