solar vacuum tube Glass Material: Borosilicate Glass Size: 58x1800mm/ 47x1500mm Construction: Graded AL-N/AL Solar Selective Absorbing Coating Absorbance : More than 91% Emittance: Less than 8% Vacuum : less than 5x10-3 PA Stagnation Parameter: -230m2C/KW Customized is available
Delivery terms and packaging
Packaging Detail: Export Carton with Foam toensure safety Delivery Detail: Based on the quantity
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