47 * 1500mm solaire tube sous vide Ref : P251506

Description :

model TR Length: 47*1500mm Thermal expansion: 3.3×10-6℃ Material: borosilicate glass 3.3 Absorptive coating: ALN/AIN-SS/CU Absorption efficient: >94% Emission efficient: <8% Vacuum: P<5×10-2Pa Stagnation Temperature: >200℃ Net weight: 1.20 kg Warranty: more than 15 years Payment:T/T or L/C SRCC,ISO 900,Solar Keymark etc.Shanghai,China15 daysone 20' containerin box with foam...China1

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