... protection. 2.Composited with strong PET film TPT solar model backsheetWe have three types of TPT film,black,white,and transparent, main ... EVA as back sheet,it is made for the packing of solar cell models, superior light, easy to bend, transmittance is good ... ,and it is the most ideal packing material for solar cell packageIt has salient product features1:Thicknss:0.3,0. ...