GE Plastics has developed polycarbonate resins with outstanding scratch resistance.
The Pittsfield, Mass., firm claims Lexan DMX resins have a higher surface hardness than standard PC and can eliminate the need for hard coatings in transparent applications such as electronic keypads, lenses, bezels and screens. This can save time, costs and volatile compound emissions associated with hard coating.
GE says Lexan DMX resins feature PC copolymers that lend the materials hardness values up to five times bigger than for standard PC. When hard-coated with silicone or acrylic, they achieve even higher hardness values. The company says DMX materials are available in a range of colors.
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