... , 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 with fillers ( Bronze ... kinds. Amongest the many fillers suitable for compounding with PTFE, glass fiber, carbon fiber, bronze and also lubricating ...