Unverified82% confidenceTradeoffTime unknown
中空玻璃充氩气可比空气降低约5%的U值并提升保温,但氩气会缓慢泄漏(每年约1%),劣质密封的中空玻璃3-5年后氩气基本漏光,因此中空玻璃的丁基胶双道密封工艺比是否充气更关键
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82%
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Long-term
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