Sound Insulation Performance: IGU is ideal sound insulating material.Normal IGU can reduce noise by 30 decibel, IGU filled with inert gas can further reduce 5 decibel.

• 隔音性能：中空玻璃是理想的降噪音材料，一般中空玻璃可降低噪音约30分贝，中空玻璃若充入惰性气体可在原有基础上再降低5分贝左右。