... countries CCC,meet BS/ASTM/EN triple low-e double glazingDouble Glazing glass is made of two ... 0.80 Sound insulation performanceIGU is ideal sound insulating material. Normal IGU can reduce noise by 30 dB, ... tinted glass, color glazed glass, coated glass, Low-e glass, laminated glass and tempered glass can be composed ... standards 3. Triple layer and double silver low-e IGU glass, U value lowered to 0.8 ...