tem: lubrication brushes Material: Nylon brush head structure: Brush body + bristles proper temperature:-10â??--70â?? Use a brush to periodically add oil to the inner and outer chain plates with loose edges of the chain. It is best to work once every 8 hours. The amount and cycle of the oil should be sufficient to prevent the lubricating oil at the chain joint from changing color. Low speed (U 5m / s),