Silicone grease is a 90% pure silicone product which contains no petroleum additives and offers greater heat resistance, up to 450 deg. F., than lithium based greases. Nonstaining. Apply to rubber and synthetic O-rings. 1/2 fl. oz. cup in blister card. No. 050092: Size: 1/2 oz, Material: Silicone, Temperature Range: 450 F