It is the high-effect, and sound- and thermal-insulation glass made of two (or three) pieces of glass, with high-strength and gas-tightness composite binder to bond the glass with aluminum alloy frame containing the desiccant inside. Several performances of hollow glass is superior to ordinary double-layer one, which has been recognized worldwide therefore. And hollow glass is the glass product that separates evenly two or more pieces of glass based on the effective support and bonds the surrounding area sealed, making the formation of dry gas space among glass layers. Its main materials are glass, warm-edge spacing bar, bending angle plug, butyl rubber, polysulfide and desiccant.
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