PL - 940 is used for getting green Coating on Aluminium. It is also used before Painting or Powder Coating to enhance paint bonding . 3-5 % Chemical used for 100 litres of bath. The time for dipping is 5-10 minutes.
PL - 930 is used for getting golden Coating on Aluminium. It is also used before Painting or Power Coating to enhance Pa... Continue