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China Solar Solar Water Heater Solar Collector

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Min. Order / Reference FOB Price
7100 Piece	US $1.50/ Piece

Local Area:	Jinan, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T

Condition:	New
Type:	Double Vacuum Heating Tube
Certification:	API, ISO, CE, CCC

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Product Description

Technical DatasheetMaterialBorosilicate Glass 3.3Outer Diameter58mmInner diameter47mmTube Thickness1.6±0.1CoatingAL-SS-CUTypeNon-pressureTUbe LIfeAt Least 15 YearsHorticulture & Gardening Products WarrantMixing Equipment y5 YearsApplicationSolar Water HeaterOptical Lens & Instrument Package5 layers corrugated paper/3 foams
/3 stripsAbosorption of Selective Coating≥0.92Emission of Selective Coating≤0.06Vacuum≤3x10-3paStagnation Temperature>200ºCSolar Radiance Exposure≤3.6MJ/m2Coefficient of Average Heat Loss<0.80W/(m2ºC)Selective Abosrber CoatingAL-SS-CUMaximum Strength0.6MpaFAQ:
1. What is your production capacity per year?
--Production capacity could reach 10 million pcs per year.
2. Do you produce the high borosilicate glass tubes all by yourself?
--Yes, we have 2 furnaces in our factory and over 20 coating lines. We could assure the stability of quality from the glass tubes to solar vacuum tubes.
3. How about the guarantee?Drilling Tools
--Five years guarantee and 15 years' lifespan.
4. Is OEM available?
--Yes, we could help you design the logo and print logo on tubes and packages.