Hollow glass is combinated by two piece or the multi-pieces float. Between the sheet glass clamps aluminum alloy frame added the drying agent,caking and seal the aluminum alloy frame and the glass with the butyl rubber,then seal it with Polymerization sulfur rubber and structure rubber.It has quite low air heat conductivity,the dry air is sealed between two glass,the synthesized hollow Glass can directly block the outflow in thermal conduction,thus achieves the energy conservation, guards against the condensation, sound-insulated, guards against effects and so on. Each kind of hollow glass that our company produced has obtained Australian and New Zealand Standard quality certification!