Aluminum bridge is bridge insulation aluminum and aluminum insulation called, two sides of bridge insulation aluminum is aluminum profies, plastic material in middle cavity is used for heat material. This innovative structure design, taking into account the advantages of two kinds of materials, plastic and aluminum alloy. While meeting a variety of requirements，such as decorative effect ,the doors and windows strength and aging resistance. Bridge insulation aluminum doors and windows can be realized in three sealing structure, a reasonable separation of water vapor chamber, the successful implementation of the gas water pressure balance, improve water tightness and air tightness. Air tightness of bridge insulation aluminum doors and windows are better than any aluminum and plastic, to ensure indoor windowsill and floor of large areas of sand without dust; can ensure residents on both sides of the highway not affected by noise.
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