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three-layer solar tube

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Country:

China

Model No:

btt

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Contact Person Mr. James

Huangwan, Jiaxing, Zhejiang

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Product Specification

Product Description

Specification Structure: Two concentric borosilicate glass tubes Material: Borosilicate glass 3.3 Outer tube diamete: Φ*7/Φ*8 Inner tube diameter: Φ*7/Φ*7 Length: ******0mm/***0mm/***0mm; ******0mm/***0mm/***0mm/***0mm/***0mm Coating: triple-target Glass thickness: 1.6mm/1.8mm/2.0mm Vacuum degree: P<5****3Pa Thermal expansion: 3.3****6/℃ Insolation temperature: >**0℃ Absorptance: >*3% Emittance: <5% Heat loss: <0.8W(m2℃) Maximum strength: 0.8Mpa Resist cold: **5℃ Resist hail: *5mm/*0mm/*5mm Resist wind: *0m/s Start-up temperature: <=*5℃ Lifetime: *5 years

Country: China
Model No: btt
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Place of Origin: -
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Mr. James < BABYSUN SOLAR INDUSTRY CO., LTD >

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