The silent blocks in polyurethane are more resistant and durable than the rubber always use the silicone grease in a petrol-based grease to modify the characteristics of the polyurethane.

The silicone grease also has the advantages of having a good lubrication capacity to eliminate the wear of the joints and eliminate wrinkles, the glue, the residue, the poussières, and the protection of the silent blocks from removal.