The ester stearyl palmitate or palmityl stearate or mixtures thereof may be safely used as adjuvants in food-packaging materials when used in accordance with the following prescribed conditions:
- (a) They are used or intended for use as plasticizers or lubricants in polystyrene intended for use in contact with food.
- (b) They are added to the formulated polymer prior to extrusion.
- (c) The quantity used shall not exceed that required to accomplish the intended technical effect.