Filled PTFE Product 1.Carbon, graphite,and glass fiber can be filled 2.Size can be made based on customers' requirement Filled PTFE product is ... fillers, such as glass fiber, carbon fiber, bronze and also lubricating materials like graphite, molybdenum disulfide. Those PTFE compounds have the following advantages over ... Resistance, ToughnessNo.1, No.2, No.3, No.5 Filled PTFE Products