What Is The Difference Between PPGI And PPGL Coil?
What Is The Difference Between PPGI And PPGL Coil? They are all based on cold-rolled steel sheets. PPGI is pre-coated on cold-rolled steel sheets after galvanizing, and PPGL is pre-coated on cold-rolled steel sheets with an alloy of 55% aluminum and 43.4% zinc. The density of 55% AL-Zn is lower