Hardcoat system protects polycarbonate

GE Advanced Materials has introduced silicone-based AS4700 hardcoat and SHP470 basecoat grades to offer automotive designers and customers an added degree of protection for the appliques, mirror shells, sunroofs, vent grills and black polycarbonate (PC) exterior trim on many vehicles.

The parts have been traditionally susceptible to fading and cracking after extended exposure to harsh in-use environments. Combined, GEís hardcoat and primer can now be used to create a protective surface with a durable, high-gloss finish, potentially extending the life of the components.

The two thermal-cure-coatings that comprise the hardcoat system incorporate a new generation of UV absorbers for enhanced protection against the sun.
geadvancedmaterials.com
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