
Company Information
Ask for more detail from the seller
Contact SupplierEvacuated glass tube
models: 58ã�1800
structure: three target
outer tube diameter: 58â±0.7mm
inner tube diameter: 47â±0.7mm
outer tube thickness: 1.6â±0.15mm
inner tube thickness: 1.6â±0.15mm
tubes length: 1800â±10mm
material of coating: copper, aluminum, stainless steel
coating: three targets coating
absorptance :�0.92
emittance: �0.06
vacuum: less than 5.2ã�10-4pa
transmittance of outer tube :0.92
stagnation temperature (height): 270~300�
heat-loss coefficient: less than 0.5 w (m2*�)
bearing hailstone ability: 30mm steel ball from 450mm.