Product Description

Features

1.the material tube is heavier 

2.the coating time is longer 

3.we have equipment imported from Germany to guarantee the quality

• Material: high borosilicate 3.3 glass.
• Structure: all-glass double-tube co-axial structure.
• Color: blue or purple golden.
• Size: *7mm×***0mm, *7mm×***0mm; *8mm×***0mm, *8mm×***0mm, *8mm×***0mm; *0mm×***0mm, *0mm×***0mm.
• Thickness: 1.6mm/2.0mm.
• Warranty: *5 years.
• High absorptance: *3%~*6%(AM1.5).
• Low emittance: 0.*4~0.*6(*0°C±5°C).