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nature : also known as porous glass. A porous glass and light, Glass and blowing agents (such as calcium carbonate) mixture at high temperature sintering. Porosity of up to 80% ~ 95%. The density of small, generally floating on the water's surface. The inclusion of coloring agents, can be obtained through tinted glass bubble. With high mechanical strength, low thermal conductivity, but also with antifreeze and durability and easy machining, is a good noise insulation and building materials for use in construction, shipbuilding, refrigeration and other industries.
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