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National regulations for the use of phthalate plasticizers

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Diisononyl phthalate (DINP), di (2-ethyl) hexyl phthalate (DEHP), n-octyl phthalate (DNOO), isodecyl phthalate (DIDP) Butyl phthalate (BBP) and dibutyl phthalate (DBP) are collectively called phthalates (or salts), and are commonly used plasticizers for PVC products.

Plasticizers are added to PVC to improve the softness, cold resistance, and light stability of PVC. The amount of plasticizer added for different uses of PVC products is different. For example, the weight ratio of phthalates in PVC for food packaging is about 28%, and flexible plastics for toys reach 35% to 40%. Studies have shown that phthalate-containing PVCs are easily released when exposed to grease or at high temperatures above 100 ° C. Due to different recognition of the hazards of phthalate ester-containing PVC, the scope and degree of recognition of its impact are different, so the use restrictions of phthalate ester-containing PVC in different countries are also different.

Management regulations and requirements

The "Administrative Measures for the Hygienic Management of Plastic Products and Raw Materials for Food" issued by the Ministry of Health in November 1990 stipulates that "synthetic resins and processed plastic products shall meet their respective hygienic standards" and "everything used in the production of plastic tableware, containers and packaging materials Additives shall meet the hygienic requirements for the use of additives for food containers and packaging materials. " The national standard GB9685-2003 "Sanitary Standards for the Use of Auxiliaries for Food Containers and Packaging Materials" stipulates that DEHP cannot be used in food containers and packaging materials, and PVC and products containing DEHP cannot be used in food packaging.

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