Gtc T Series Vacuum Tube
Mar 03, 2008
Feature:
* Higher Absorbance, Lower emittance, dry exposure up to 270°C
* Higher efficiency, more heating
Absorbance coating layout:
1–metal reflecting layer(copper)
2–absorbance layer(SS aluminumnitride metal ceramic)
3–remittance.....
Zhejiang GTC Solar Co.ltd.,