The grease supplied with our bushes in the white sachet is our own formulated PTFE/Silicone bush assembly grease.The key benefits of using this type of grease are,Long-lasting lubrication.Reduced wear and friction to all PU and metal components.Good corrosion protection on plated metal parts.A wide operating temperature range and good low-temperature properties for differing environments around the world.Consistent thickness at varying temperatures. It will not thin out or thicken too much in extreme temperatures.The specd NLGI grade provides very good washout properties for wetter environments.It is used to optimise bush performance and durability.