Shi Ying glass tube is a special industrial glass made of silicon dioxide and is a very good basic material.  Shi Ying glass tube has a series of excellent physical and chemical properties, such as:

 1. High temperature resistance

 The softening point temperature of Shi Ying glass is about 1730 ℃, which can be used for a long time at 1100 ℃, and the maximum temperature in a short time can reach 1450 ℃.

 2. Corrosion resistance

 Apart from hydrofluoric acid, Shi Ying glass hardly reacts with other acids. Its acid resistance is 30 times that of ceramic and 150 times that of stainless steel, especially its chemical stability at high temperature, is unmatched by any other engineering material.

 3. Good thermal stability

 The coefficient of thermal expansion of Shi Ying glass is extremely small and can withstand drastic temperature changes. When Shi Ying glass is heated to about 1100 ℃, it will not crack in normal temperature water.

 4. Shi Ying glass with good light transmittance has good light transmittance in that whole spectrum band from ultraviolet ray to infrared ray, and the visible light transmittance is above 93 %, especially in the ultraviolet spectrum region, the maximum transmittance can reach above 80.  5, good electrical insulation performance

 The resistance value of Shi Ying glass is 10,000 times that of ordinary glass. It is an excellent electrical insulation material and has good electrical properties even at high temperatures.  Shi Ying glass is widely used in various fields such as electric light source, semiconductor, optical communication, military industry, metallurgy, building materials, chemistry, machinery, electric power, environmental protection and so on because of its excellent physical and chemical properties.