... Flinger Seal.7. Lubrication: Grease is Lithium soap type grease with Rust Inhibitors.8. Welding: Mixed gas shielded arc welding end ... the overseas and domestic labyrinth seal style, It is filled with resisted high speed, high temperature and ultralow temperature antioxidant lithium ... impact idler, the centring idler, the spiral idler, the idler with rubber rings, etc.