... strenth sealing sealants (double sealing:Butyl should be used for the first sealing, polysulfide rubber or silicon strucral ... to glazing mannerOptical performanceVarious glass substrates can be used for IGU to meet the request of sunlight transmission ... , hospital, office building, airport, and hotel; also applied for refrigeration appliance, aircraft, ships, etc.Types of ProductsClear glass,tinted ...