Glass cullet: a hard way for cellular glass from useless waste

Glass is one of the most ancient materials known for the mankind. But the problem of glass reusing had never existed up to the end of the 20th century. Glass is cheap and inert. As a result, hundred million tons of glass cullet has accumulated around human settlements for centuries, and it has become a real problem that needs its solution. Let`s try to find the reuse technology of glass cullet to useful products.