Exactly What is the usage of an OCA lamination machine? OCA (Optically Clear Adhesive) lamination machines bond levels of glass or film to touchscreens, lessening air gaps and enhancing optical clarity and touch sensitivity. I grit blasted the surfaces being mated and tried JB Weld, smearing on both of those https://jiutustore.com/collections/optical-bonding-machine/Optical-Bonding-Machine