SP1600 Sprayable Polyester Primer, low VOC, high build polyester primer surfacer, which is compatible with and provides excellent adhesion to fiberglass and primed surfaces such as aluminum and steel. SP1600’s high build formulation dries quickly to touch and has exceptional sanding and filling characteristics.
Mixing: 1 Quart SP1600 to half ounce MEKP liquid hardener
