One drop of "Drillseal" after drilling, into the freshly drilled holes of polycarbonate lenses will seal the tiny rips and cracks and prevent any future crazing and breaking of the lens from the holes on outwards.
Recommended for use on all hole mounts by major polycarbonate lens manufacturer Vision Ease.
Enquiries or orders can be made toll free at 800-461-6637
Drillseal
OMS Optochemicals
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