April 27, 2013
Trina Solar’s PDG5 is a UL/IEC frameless module and needs no grounding.
PDG5 comprises two layers of special 2.5-mm heat-strengthened glass.
With no plastic backsheet, PDG5 provides UL Fire Class A and reduces micro-cracking, PID, module warping and aging from UV, sand, acid, alkali and salt fog.