At Sapphire Metal Finishing, we specialize in chemical conversion coatings for aluminum. Our coatings are designed to protect against corrosion, and we offer two types of coatings: Trivalent Chromate and Chromate Conversion Coating. Our Type II coatings are available in Class 1A and Class 3 finishes, providing you with superior corrosion protection and low electrical resistance. We strive to provide high-quality and safe chemical conversion coatings that will meet your aluminum finishing needs. You can trust us for exceptional performance and durability.