[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR181.28] [Page 465] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 181_PRIOR-SANCTIONED FOOD INGREDIENTS--Table of Contents Subpart B_Specific Prior-Sanctioned Food Ingredients Sec. 181.28 Release agents. Substances classified as release agents, when migrating from food- packaging material shall include: Dimethylpolysiloxane (substantially free from hydrolyzable chloride and alkoxy groups, no more than 18 percent loss in weight after heating 4 hours at 200 [deg]C.; viscosity 300 centisokes, 600 centisokes at 25 [deg]C, specific gravity 0.96 to 0.97 at 25 [deg]C, refractive index 1.400 to 1.404 at 25 [deg]C). Linoleamide (linoleic acid amide). Oleamide (oleic acid amide). Palmitamide (palmitic acid amide). Stearamide (stearic acid amide). [42 FR 14638, Mar. 15, 1977; 42 FR 56728, Oct. 28, 1977]