all copper black chrome tape.absorption ~97% thermal emission:~12% parent metal:copper TP2 common size:1840*125*0.15mm

      our company is the only one Chinese high-tech enterprises which can produce flat plate solar collector fins.its advantage are high absorptivity and low emissivity.and have been favored by many large buyers of flat plate solar collectors from Eruope and America.and they all like to do business with us. 

COPPER FINS WITH BLACK CHROME COATING