Heavy-Duty Silicone Spray® protects, preserves and lubricates with a heavy-duty film that does not lose its effectiveness in temperature changes. Phelps silicone spray can be used on just about any surface or material, as it won't melt, freeze or gum.  This spray is used for heating sealing, release agent, protecting cartons and speeding production. Style 9760 will not become rancid after exposure to air and heat. The active portion of this spray is considered less toxic than lard or glycerine. Silicone has a prior sanction under the Food Additives Amendment of the Food and Drug regulations.