What is the unqualified carton
some manufacturers do not pay attention to the process of production, so will produce some unqualified carton, so which belongs to the unqualified paper box? Cardboard-box factory in shenzhen to introduce for everybody. Mainly divided into the following three categories:
the first kind of unqualified: carton function is not complete or problems, main show is: bonded incomplete joint, joint tape is incomplete or joint pin's abundant or not; The edge of the slot cut into the carton side; Cover plates can't docking, the gap is greater than 3 mm; Cardboard moisture content is higher than 20% or below 5%; Carton of indentation present bending; Carton printing or graphic vague; Carton no anti-sliding measures according to the rules.
the second category of unqualified: poor carton appearance, but does not affect its use function, main show is: slot or carton die-cutting coarse; Board appearance with washboard bumpy, affect the printing graphic quality; Box surface pollution miscellaneous points; The shallow scratches or marks rubbed off.
the third type of unqualified: size beyond permissible error; Quality is lower than the rules of the minimum; Indentation line break or paper is cut off; Looks torn and debunk, holes or cover slice blade irregular and adhesion have extra cardboard piece; [ ] There is an error, the printing & packaging is not complete or color pattern is wrong; The outside material pollution.
each manufacturer cartons should be in line with the conscience to produce qualified products, consumers should also pay attention to when selecting the cartons using the above method to check whether the carton is qualified.
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