glass vacuum tube

glass vacuum tube

Model No.︰solar tube

Brand Name︰tecsolar

Country of Origin︰China

Unit Price︰-

Minimum Order︰100 pc

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Product Description

Technical data table

Model

Φ47×1.5m

Φ58×1.8m

Φ70×1.6m

Outside-tube diameter

Φ47

Φ58

Φ70×1.6m

Inner-tube diameter

Φ37

Φ47

Φ58

Wall thickness

1.6mm

1.6mm

2mm

Length

1.5m

1.8m

1.6m

Outside-tube diaphaneity

0.92

0.92

0.92

Selective absorbing coating

AL/N/AL

AL/N/AL

AL/N/AL

Absorbing coefficient

0.93

0.93

0.93

Reflective coefficient

0.06

0.06

0.06

Vacuum degree

P≤5×102 Pa

P≤5×102 Pa

P≤5×102 Pa

The hightest temperature

250℃

250℃

250℃

Anti-impact capability

25mm

25mm

25mm

Specifications︰ .
-Apply for two layers 3.3 high borosilicate glass tube
-The two layers glass tube,with same axis is vacuumized between them ,the vacuum degree can reach 5 X 10-2Pa.
-High absorbing efficiency:the vacuum magnetic-control sputtering selective absorbing coatings has a high absorption coefficient of more than 93%,and the emission coefficient around 6%.
-Long life: the life span can rech 15 years.

Advantages︰ higher efficiency
high temperature-resistance coating,long life time using for tube without water under the sunshine.

Export Markets︰ all of the world

Payment Details︰ TT

Min Order︰ 100pcs

Ship Date︰ 15days

Standard Met︰ EN