Heat Preservation: | K=2.3~2.7 (GB/T8484-2008) |
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Air Tightness: | Class 8 (GB/T8484-2008) |
Water Tightness: | Class 5 (GB/T8484-2008) |
Wind Resistance: | Class 6 (GB/T8484-2008) |
Sound Proof: | 30~37dB (GB/T8484-2008) |
Lead Time: | 7-15 Days After Order Confirmed |