is PTFE (polytetrafluoroethylene), which is a thermoplastic resin used in industrial applications that require reduction of friction on bearings and moving parts.
This is original Turcite manufactured by Trelleborg Sealing Solutions.
Manufactured in sheets
Resistant to chemical corrosion & is self-lubricating
Reduces damage caused by mechanical breakdowns & lubrication failures
Extends life of mechanical components
Improves stick slip performance
Some people say and lubrication gib material as Turkite or Terkite.
Box way and gib repair
Green , Blue, Red