lubricating plastic components is essential to reduce friction and wear, and increase the life of the plastic components. For most of my Fabricating application i use, Machining Molybedenum. It is remarkably plastic safe, for machinery applications.
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WRONG MOLYBDENUM, DUDE. THAT'S A SOLID BLOCK OF MATERIAL. THEY TALK ABOUT MOLYBDENUM DISULFIDE EARLIER IN THIS THREAD.