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Sin-element solar vacuum tube - SFVT-47-1800

1)certificates:solar keymark,SRCC,SGS,CE and CCC, 2)high efficient absorptive, 3)single target: AL-N/AL - more info check here: http://www.sourcingappliances.com/Sin-element-solar-vacuum-tube-30177917/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: Sunfocus Model Number: SFVT-47-1800 Type: solar tubes Application: solar water heater Material: hard borosilicate 3.3

Product Features:

1)certificates:solar keymark,SRCC,SGS,CE and CCC

2)high efficient absorptive

3)single target: AL-N/AL

Business Terms:

Price Terms:FOB,CIF,EXW

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

Minimum Order: Negotiatable

Delivery Port: Customized

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Sin-element solar vacuum tube

Product Packagings & Delivery Terms:

Packaging Detail: standard exporting carton with fomes inside

Delivery Detail: 5-7days

Specifications and Product Details:

Specification of full glass solar vacuum tube:

The marerial of glass tube: hard borosilicate :3.3

The thickness of inner and outer tube of:1.6mm

Absorption coefficient: more 88%

Absorptive coating :high efficient heat absorptive selective coating:

AL-N/AL

Emission coefficient:less 10%(8%)

Evacuated :less5*10-3pa

Stagnation temperature: more 220 celsius degrees

Hail resistance: 25mm

Freezing resistance:-35 celsius degrees