58 * 1800mm solaire tube sous vide Ref : P251507

Description :

model TB Length: 58*1800mm Thermal expansion: 3.3×10-6℃ Material: borosilicate glass 3.3 Absorptive coating: AL-N-AL Absorption efficient: >92% Emission efficient: <10% 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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