The packaging industry has developed at a speed in recent years. Under this market, it has also driven the development of related industries, such as the packaging materials industry. According to relevant data, the demand for packaging materials is growing, and the growth of packaging materials can be seen. The development of various industries, such as the food industry, the clothing industry..., different industry needs, the packaging materials inspection standards are different.
This article takes the carton as an example to explore the inspection standards for packaging materials.
1. This standard is formulated with reference to the GB6543 standard.
2, the quality and technical requirements of the carton
The box is square, the cover is closed without seams, and the size meets the requirements. The outer surface of the carton is not allowed to have obvious damage and stains. If there is a sample box, the color pattern should be consistent with the sample box. The printed surface of the box surface is clear, the color is uniform, the light is bright and the position is accurate, and the left and right deviations are not more than 5mm. The contents marked on the outside of the carton shall comply with the requirements of GB7718 “General Rules for the Labelling of Prepackaged Foodsâ€, and the signs shall comply with the requirements of GB191 “Package Storage and Transportation Graphic Markâ€. A production license should indicate the license number.
3. The QS mark pattern shall be printed in accordance with the specifications specified in the “Rules for the Implementation of Quality and Safety Supervision and Management of Food Production and Processing Enterprisesâ€. The outer box should be marked with the words “handle with careâ€, “upwardâ€, “fear of wetness†and signs. The contents should be correct and there should be no text errors.
4. The corrugated carton is made of low-carbon flat wire or steel wire with plating. The flat wire should not have rust spots, peeling, cracking or other defects in use. The specifications of the flat wire are compatible with the thickness of the carton.
5. The width of the carton joint nailing tower is not less than 30mm, the nail box is not less than 35mm, the small color box is not less than 28mm, the metal nail should be nailed along the center line of the tower joint, the box nail The arrangement is neat, the nail distance is uniform, the single-row nail distance is not more than 80mm, and the double-row nail distance is not more than 90mm.
6. Bonded corrugated boxes should use vinyl acetate emulsion or other adhesives with the same effect. The adhesive coating of the adhesive joint should be evenly and evenly so that the seam remains unbonded when the face paper is separated, and there should be no excess adhesive overflowing the seam, and the carton does not open after being opened.
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