Material Description. This standard covers the requirements of protective back coating system used to seal and protect vacuum deposited metallic coatings, decorative coatings (paint, or ink), and hot stamp foils applied to the second surface of acrylic ornamentation used on the vehicle exterior. The back coating must be applied within 2 h of the vacuum metallization process.

Symbols. Not applicable.

Typical Applications. Second surface decorated acrylic exterior emblems.

Remarks.

Protective back coatings for second surface decorated acrylic exterior emblems must meet the requirements of GMW14797 over acrylic, or over vacuum metalized aluminum.

Second surface decorated acrylic exterior emblems must meet the requirements of GMW16585.