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Evacuated tubes - VC

Evacuated tubes:, 1) high quality, 2)low price, 3)high absorption, 4)10 years warranty - more info check here: http://www.sourcingappliances.com/Evacuated-tubes-11153998/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: Grand Model Number: VC Material: glass Coating: ALN/AL-SS/CU

Product Features:

Evacuated tubes:

1) high quality

2)low price

3)high absorption

4)10 years warranty

Business Terms:

Port: shanghai

Minimum Order Quantity: 5 Set/Sets

Supply Ability: 500,000 Piece/Pieces per Year

Payment Terms: L/C,T/T,Western Union

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Evacuated tubes
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Product Packagings & Delivery Terms:

Packaging Detail: export carton or plywood case

Delivery Detail: with 15 days

Specifications and Product Details:

vacuum tube for solar water heater and solar collector:

Specification:

1)Inner tube/outer tube diameter:37/47mm,47mm/58mm

2)Length of tube:1500mm,1800mm,2000mm,2100mm

3)Material:high 3.3 borocilicate glass

4)Thickness of tube:1.6mm, 2,1mm

5)Selective absorbing coating:ALN/AL -SS/CU CoatingCoating

6)Expansion coefficient:3.3*10-6

7)Excellet solar absorption:.>93%

8)Low heat reflection properties:<0.86%

9)Heat preservation:72-80 hours

10)Hail resistance:25mm

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