SEALS WITH COATINGS AND METHODS OF MAKING AND USING THE SAME

A seal includes a jacket including an annular body defining a central axis and a recess extending into the annular body concentric with the central axis wherein the jacket includes at least 30% by weight of PTFE and at least 10% by weight of a filler material, and wherein the filler material comprises a boron-containing material, a nitrogen-containing material, a titanium-containing material, a silicon-containing material, carbon fibers, glass fibers, or a combination thereof, wherein the jacket further comprises a coating; and an energizing element which is arranged in the concave part. 一种密封件，包括夹套，该夹套包括限定中心轴线的环形主体和延伸到与该中心轴线同心的该环形主体中的凹部，其中该夹套包含至少30重量％的PTFE和至少10重量％的填充材料，并且其中该填充材料包括含硼材料、含氮材料、含钛材料、含硅材料、碳纤维、玻璃纤维或它们的组合，其中该夹套还包括涂层；和增能元件，该增能元件设置在该凹部中。