is used for brake pads. It meets the requirements for dirt, temperature, water, etc. that can ruin the pad. So only hold it by the pad's contact points and very little works amazingly. The car doesn't recommend such substances in the factory manual, and new pads should slip properly without them, but many like a little extra lubrication and corrosion protection. Food grade silicone is commonly used for slide pins. Check the requirements for your vehicles.