solar collector

1.SRCC,EN 12976, SOLAR KEYMARK approved
2.15 year life time
3.6 year guarantee
4.Shaped manifold,better appearance.
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.