large diameter fused quartz glass cylinder with both ends open
SiO2
99.997%
Density :(g/cm3)
2.2
Degree of hardness moh' scale (Pa)
6.6
Melting point:
1732°C
Working temperature :
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
1.Quartz materials: high purify quartz powder 2.Purity:99.99% SIO2 3.High Corrosion Resistance 4. High temperature proof 5. Perfect insulation and transmittan
Product Uses
Widely used in the field of semiconductor,metallurgy,chemical industry,electric light source,photo-communication,medical equipment,scientific instruments and so on
Advantages
We have 3 workshops, one is pulling the quartz glass tube one is manufacture quartz ingot,
the last is used deep processing.
8 years experience, has strong and professional R&D team
10 professional sales online to provide best solutions
100 workers,boast a monthly capacity of 50,000pieces.
Strict quality control.
OEM is available
And our donghai quartz sand is high purity and high quality,purity is 99.997%,and
high puriy material make sure high max working temperature,and tight tolerance make
sure the right installation.
OEM Service
Packaging & Shipping
Company Information
Choose guoyi,choose best quality!
Our company is located in Lianyungang, Jiangsu, China.
We are specialized in the designing, manufacture and marketing of all kinds quartz products
quartz ingot,cylinder,we export this to many countries.
Focus on quality service, 
