... Glass Fiber Filled PTFE Sleeves Materials: glass fiber + PTFE (Teflon) Method: Press Molding Shape: by Drawing Glass Fiber Filled PTFE (Teflon) Sleeves / Tubes, Glass Fiber ... for example 5% / 20% / 10%, etc.Glass Fiber Filled PTFE (Teflon) Sleeves / Tubes, are manufactured by ... many fillers suitable for compounding with PTFE, glass fiber, carbon fiber, beronze and also lubricating materials like ...