发布单位：FDA
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有效性状态： 
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备注：在符合本节中有关规定的条件下，硬脂酰棕榈酸酯或棕榈酰硬脂酸或它们的混合物，可安全地用做食品包装材料中的辅料：可用做或拟用做接触食品的聚苯乙烯用的增塑剂或润滑剂，在聚合物挤压成型之前加入。用量应不超过为达到所需工艺效果的需用量。
§178.3450 Esters of stearic and palmitic acids.
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.
