Shandong HonHai Industrial Company Limited started to manufacture borosilicate 3.3 colored and clear glass tubing and its related glassware products from 1998. We are one of the leading suppliers of borosilicate glass in China. Particularly, we've successfully developed flat borosilicate 3.3 floated glass sheet and glass ceramic, which enjoys a good reputation in the United States and Europe. Also, we are playing an important role in pharmaceutical package glass and products in the market.
Our factory is equipped with advanced machinery with production know-how, strict and complete quality management and supervision system as well as friendly customer service. Holding a business principle of "Honesty, Cooperation, Win-Win", we concentrate on continuous quality improvement and upgrade. We take it as our responsibility to satisfy customers' requirements, and innovate market demand.
We well know borosilicate glass and respect customers' requests. We will improve, upgrade and innovate products all the time.
Technical Data:
Physical Property
No. Physical performance Numerical Value Unit
1 Coefficient of mean linear thermal expansion(20℃,300℃) 3.3?0.1 10-6K-1
2 Transformation temperature 525?15 ℃
3 Softening point 820?10 ℃
4 Working point 1260?20 ℃
5 Density at 20℃ 2.23?0.02 g/cm3
6 Mean thermal conductivity(20℃-100℃) 1.2 w/m2k
7 Refractive index 0.92 1