3M™ 1640 Surface Saver™ surfacing tape is optimized for consistent protection performance during RX optical lens processing. 1640 is designed to provide a high strength bond to alloy and superior torque resistance.
For years 3M Optical processing products have been recognized by optical labs worldwide as the benchmark for quality and performance. 3M's lens surfacing tapes provide superior protection to the front side of the lens during processing . 3M's edging pads offer the industry’s best slip resistance, keeping lenses firmly in place during edging. 3M also offers a variety of processing aids to compliment its edging an surfacing portfolio.