Are there any requirements for printing inks used in composite PP packages (food grade) or are there standards issued in the country? What standards do you carry out?
While the other is printing ink packaging material more, the ink is not in direct contact with food packaging materials are separated, the ink has barrier function, so the ink blot must meet the quality requirements of auxiliary packaging materials and basic safety and hygiene requirements.
Food grade ink suitable for food packaging printing ink, natural contact with food, directly attached to the food of the ink should be called edible ink, is actually just the food, the text and color features, such as printed on the cake text and pictures. Auxiliary materials and packaging materials in the ink are packaging materials, can not eat, can be divided into two categories: one is the ink and food have direct contact, such as cans inside coating and text and mixed in the food in the desiccant bag surface ink and food packaging paper prints. Make the ink must be specified by GB9685 compliant material;
In this regard, there is no strict and specific definition of the standard, can refer to direct European printing ink printing ink industry association and the Japan Federation respectively have their own industry norms and self-discipline standards issued