1. Borosilicate glass according to ISO3585: 1991; Transmittance of borosilicate glass: 0.92. Absorbance of solar selective absorptive coating: 0.94; Hemispherical emittance: 0.08; Getter according to GB/T9505-1998.
2. Start-up temperature: No more than 25.
3. Start-up time: No longer than 2 minutes under normal sunshine.
4. Low temperature resistance: No breaks at -30.
5. Heat impact resistance: No damage after over 3 time's alternative impact of cold water below 25 and hot water over 90.
6. Pressure resistance: Can withstand 0.6Mpa.
7. Hail resistance: No damage by the impact of 25mm diameter hail.
We are professional manufacturer of solar water heater, heat pipe, flat plate solar collector and relative products which established in 2004, with more than 20 years experience in exporting to over 145 countries and areas, our export quantity every year top 3 in China.
- Our products have passedISO9001qualitysystem, CE, Solar Keymark EN12975&EN12976 in Europe, SRCC for USA, WaterMark and StandardsMark for Australia, SABS for South Africa, INMETRO for Brazil, Korea and Mexico solar standards certification. Attached our certification list for your reference.
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