This is the Seasoft Absi-lube Pure Silicone Grease Lubricant Features: Pure Silicone Grease: Combination of Silicone Oil (polydimethylsiloxane) High Quality Thickener - Amorphous Fumed Silica Snow White Appearance Greasy, Crisco like Appearance Same Pure Silicone Grease Used by NASA Perfect for O-Ring Lubrication & Protection Great for Regulator Re-Builds & Servicing Acts as Corrosion-Inhibitor Used on Rubber and Stainless Steel Parts Food Grade Silicone All silicone grease is not created equal. Silicone grease is a combination of silicone oil (polydimethylsiloxane) and a high quality thickener - amorphous fumed silica. When it is mixed in the right proportions with no other inexpensive additives thrown in; pure silicone grease has a snow white appearance and a greasy, Crisco like appearance. Seasoft&';s Absilube Pure Silicone Grease is engineered and manufactured to these high standards. Seasoft&';s Absilube Pure Silicone Grease is perfect for O-ring lubrication & protection, regulator re-builds & servicing, & any other location where a high quality lubricant is required. Absilube Pure Silicone Grease also acts as a corrosion-inhibitor and can be used on both rubber and stainless steel parts. It is a food grade silicone which means that in small quantities it will not harm an individual if ingested but will simply pass through the digestive tract."