Borosilicate sight glass is made from normal annealed soda-lime glass. This is the same sort of glass utilized for making drinking glasses and house windows. This is simple to break and is susceptible to thermal shock. This glass has a poor chemical resistance and inadequate operating temperature. Borosilicate sight glass can be used for several critical application. It has a lower coefficient of thermal expansion and is extremely resistant to thermal shock. This is applicable for kitchenware and laboratory glassware.