Crylcoat 2670-3 Cytec Surface Specialties Polyester Coatings >> Powder Coatings Crylcoat™ 2670-3 is a Primid® resin designed for matte dry-blend systems to produce in combination with Crylcoat® 2671-3, powder coatings with 60° gloss between 32 and 36%. When used with Crylcoat® E 37250, a 60° gloss of approximately 20-23% can be achieved. The coatings show very good mechanical properties, flow and outdoor durability that meet or exceed Qualicoat or GSB specifications. Polyester resin. Show very good mechanical properties, flow and outdoor durability. Designed for matte dry-blend systems to produce in powder coatings with 60° gloss between 32 and 36%.