Donghai Jingming Lighting Electrical Co., Ltd

Donghai Jingming Lighting Electrical Co., Ltd

China Quartz Infrared Heating Lamp Manufacturer
high temperature clear quartz glass plate
Product Name:
high temperature clear quartz glass plate

 round, square, rectangular and various shapes are available. 


Size and thickness: 

Square type 
100mmx100mmx(thickness 1mm-30mm) 
150mmx150mmx(thickness 1mm-30mm) 
200mmx200mmx(thickness 1mm-30mm) 
200mmx400mmx(thickness 1mm-30mm) 
300mmx300mmx(thickness 1mm-30mm) 
400mmx400mmx(thickness 1mm-30mm) 
Other size can be made according to customers detailed requirements.

Circular shape 
Diameter 50mmx (thickness 1mm-30mm ) 
Diameter 100mmx(thickness 1mm-30mm ) 
Diameter 150mmx(thickness 1mm-30mm ) 
Diameter 198mmx(thickness 1mm-30mm ) 
Other size can be made according to customers detailed requirements.

 donghai quartz glass sheet

Physical properties  
SiO2 :  99.99%
Density : 2.2(g/cm3)
Degree of hardness mosh' scale :  6.6
Coefficient of expansion 25--300℃ ℃-1  ( ×10-6  ) 0.58
Melting point:  1732°C
Working temperature :  Under 1100°C
Max temperature can reach in a short time :  1450°C
Acid tolerance:  30 times than Ceramics , 150 times than Stainless steel
Visible light transmittance :  above 93%
UV spectral region transmittance: 80%
Resistance value : 10000 times than ordinary glass
Annealing point: 1180°C
softening point: 1630°C
Strain point: 1100°C
Spectral Transmission at 1.0mm Thickness
nm 220 255 280 315 350 380 590 780
% 89 91 93 93 93 93 93.2 93.4
Chemical  Composition, unit: PPM
K+Na Ca Fe Al Mg Ti Ba Li Cu
<10 <3.0 <1.5 <20 <1.0 <3.0 <0.2 <1.0 <0.5


Application of quartz plate: military  industrial  complex,  machinery, metallurgy, printing and dyeing, optical instruments, high temperature sight glasses, firehole industries such as high temperature and other industries, electric light source equipment, Labortory instrument, chemical apparatus. 


Application of standard clear quartz tube: halogen lamp, mercury lamp, single end lamp,automobile lamp,stage lamp, The thermoelectric boiler, The photocopier lamp, Water treatment lamp casing,quartz ware and pipe.

Application of Ultraviolet quartz tube : Single-ended metal halide lamp,automobile metal halide lamp,G12 metal halide lamp, anti-explosion metal halide lamp, High power stage light and so on.

Application of free ozone quartz tube : Kill germs free ozone light,the material of hospital ,family,and public place Ultraviolet kill germs,and water treatment.


Application of quartz rod : Linear light source products, light guide stick, light pipe, Fiber Lighting, Quartz fiber manufacturing,semiconductor silicon wafer, hollow half round.

Application of film coated quartz heater tube: Instant Hot water heater, Alkaline water purifier, Electrothermal heater, Oven heating, Aquarium heater,Screen Printing, Drying, Sealing, Food Warming, Plastic Forming, Laminating.