We are surrounded with glass. Glass’s main material is silica sand and there are hard and transparent substance. There are numerous types of glass, and most of them are hard, resistant to chemicals, have a smooth surface, and are easy to remove dirt.
Utilizing this characteristic, glass is used as windowpanes, mirrors, lenses, tableware, etc., which are familiar to us, and has deeply connected to our lives.
Glass, which is often used in the industrial field, has extremely excellent properties compared to the other industrial materials such as metals and resins.
Metal is hard and some of them are resistant to chemicals, but they do not pass the light.
Transparent resin allows light to pass through, but it is softer and easily damage by chemicals than other materials like metal or glass..
─ want passes light, need hardness, and withstand the use of chemicals ─
Glass is the material that plays an active role under such greedy requirement.