Solar Water Heaters with AL-N/AL Coating
Model Number: QBJ58/1800-20
Brand Name: chemetals
Key Specifications/Special Features:
58/1800 heat pipe AL-N/AL coatingVacuum degree: ≤5X10-3PaAbsorbing coefficient: ≥92%Emission coefficient: ≤10%Lowest temperature: according to your requirem...
2017-11-26
Solar Geysers with Gradual Absorption Coating
Model Number: QBJ47/1500-18-1
Brand Name: chemetals
Key Specifications/Special Features:
Vacuum tube:Material: borosilicate glass 3.3Thickness: 1.6-1.8mmWeight: 2kg/pieceCoating: Al/N-Al, gradual absorption coatingAbsorption: ≥90, ±2%Emission: ≤...
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