Silicone Grease in 1-ounce tubes is compatible with EPDM seals and is designed to prevent the sticking of valves and o-rings during high and low temperature applications. The product can also be used in high vacuum or pressure systems to seal synthetic rubber and plastic parts that come in contact with metal. The product is inert, will resist any chemicals and is non-toxic. It is also NSF rated H1 for incidental food contact, Kosher Certified and FDA approved. Use in place of petroleum greases to eliminate swelling and softening of seals.