Colored sound absorbing foam glass is regarded as a green and friendlybuilding material, widely used in important public buildings such as the Great Hall, Theatres, Subway stations, indoor swimming pools, sound barriers, installed in factory workshops, machine rooms, transformer rooms and other noise reducing projects as well as in a variety of acoustical engineering projects. It further finds applications in private buildings and houses for combined decors and environmental protection. Also it can be use as pumice stone for personal care, grill stone for cleaning dirt.