Cerakote Tungsten is a dark grey with silver metallic. *NOTE: This product does not require catalyst. Cerakote Tungsten C Series Ceramic Coatings will perform at temperatures up to 1200°F and set the industry standard in high temperature coatings. C Series coatings are a line of air cured, ready to spray ceramic coatings. Check out the Resources section for product application guides, technical data sheets and SDS information.