[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR181.28] [Page 447] 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]