... + PTFE (Teflon) Method: Press Molding Shape: by Drawing Bronze Filled PTFE (Teflon) Sleeves / Tubes, Bronze percentage can be made ... request, for example 5% / 20% / 40%, etc.Bronze Filled PTFE (Teflon) Sleeves / Tubes, are manufactured by molding method with ... filled ptfe resin. Filled PTFE resin is manufactured by compounding ptfe granular resin ...