... customers' request, for example 5% / 20% / 40%, etc.Bronze Filled PTFE (Teflon) Sleeves / Tubes, are manufactured by molding method ... is manufactured by compounding ptfe granular resin with fillers ( Bronze ) of many different kinds. Amongest the many fillers ... suitable for compounding with PTFE, glass fiber, carbon fiber, bronze and also lubricating materials like graphite, molybdenum disulphide, have ...