Specifications

ating material SS/CU/AL, professional manufacturer 16 years
2.certificate CE ISO90012008
3.OEM available
4.china patent

 

 

Specification
Structure	All glass double concentric tubes
Material	Borosilicate glass 3.3
Outer tube diameter	Φ47±0.7.mm  &=1.6mm
Inner tube diameter	Φ58±0.7.mm  &=1.6mm
Length	47mm-1500mm/1600mm/1800,
	58mm-1500mm/1600mm/1800mm/2000mm/2100mm
Coating	SS-C/Cu
Absorption rate after evacuating(AM1.5)	α= 0.88–0.90
Emission rate after evacuating(AM1.5)	ε= 0.04–0.06(80°C±5°C)
Vacuum degree	P≤5.0×10­¯³Pa
Average heat loss conficient	ULT = 0.4-0.6w(m².°c)
Max stagnation temperature	260°C-300°C
(temperature inside of empty vacuum tube)
Pressure	0.6MPa
Impact Resistance	Φ≤25mm