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Personne àcontacter Mr. haibo
No.28 Minfeng Rd. Shuangfeng Village,Yuanhua Town,Haining City, Jiaxing, Zhejiang
1.Structure : All-glass concentric dual tube geometry Glass material : Borosilicate glass Outer tube diameter and thickness *7±0.7mm & =1.5mm *8±0.7mm & =2mm *0±0.7mm & =2mm Inter tube diameter and thickness *7±0.7mm & =1.5mm *7±0.7mm & =1.6mm *8±0.7mm & =1.6mm Tube Length : ***0(±5mm)***0(±5mm) ********0(±5mm) ***0(±5mm) 6.Absorbing coating properties: Configuration :***0(±5mm) 　***0(±5mm) ********0(±5mm) ***0( ±5mm) Method to deposition :AL-N/A1 selective absorptive coating absorptance: as 0.***0.*3 Emittance :Σn:-.***0.*4 7.Vacuum : p ≤ 2 × ***3 8.Stagnation parameter :ï&frac*4;ž**0M2C/KW 9.Solar radiance exposure for obtaining a preset water temperature : ï&frac*4;Å“2.8MJ/M2 *0.Average heat loss coefficient: ï&frac*4;Å“0.8W(M2C) *1. Lifetime :*5years
