The national standard GB / T 6543-2008 "Single Corrugated Box and Double Corrugated Box for Transport Packaging" was published on April 1, 2008, and was implemented on October 1, 2008. Through reading the new version of the standard, you will find that the standard has changed a lot compared to the 86 version. So, I would like to talk with my colleagues about the changes in the new version of the standard. 1) This standard replaces the two standards of GB / T 6543-1986 "Corrugated Box" and GB / T 5503-1985 "Corrugated Box for Packaging of Exported Products" to achieve the unification of the standards for domestically sold cartons and corrugated boxes for packaging of exported products This greatly facilitates the implementation of the same standard by both the supplier and the customer, and avoids the trouble of delivery due to inconsistent standards. 2) The revised standard is clearly the standard for corrugated cardboard boxes for transportation and packaging, to distinguish the standard for sales and packaging composed of a layer of single-sided corrugations that has appeared in recent years. 3) The new version of the standard for the strength indicators of corrugated paperboard for the manufacture of corrugated boxes, such as burst strength, puncture strength, edge pressure strength and bond strength indicators, is lower than the 86 version. The new version of the standard stipulates that the intensity index is allowed to be lower than the standard value by 10%, which provides the supplier with continuous product improvement opportunities in the future, and avoids the supplier's qualification to withdraw from the market due to a product failure. 4) The new version of the standard specifies that the adhesive used for corrugated cardboard box bonding is only an adhesive material that meets the relevant standards, and it is not mandatory to use a certain adhesive. This gives the supplier more room to choose the right adhesive, because with the continuous emergence of new materials, various formulas of adhesive materials are also diverse, making it easier for the supplier to choose a more suitable adhesive. At the same time, it is also convenient to improve the bonding quality of the carton and reduce the production cost. 5) The new version of the standard clarifies the detection method of the folding resistance of the corrugated cardboard box, that is, the swing cover should be closed and then opened 180 ° back and forth 5 times, which is convenient for the uniformity of the detection standards of both the supply and demand sides. 6) The new version of the standard specifies the compressive strength of corrugated boxes as reference P = K × G × (Hh) / h × 9.8 or negotiated and determined by both parties, so that the paper is selected for the supplier, and there are more options for batching room. 7) The new version of the standard specifically clarifies the internal size detection method. That is, when measuring the inner dimensions, the carton should be formed into a support with an angle of 90 ° between the adjacent faces. The length and width are measured at 50 mm from the indentation line of the flap on the tongue, and the bottom of the box and the top of the box are shaken inwardly. The distance between the lids is taken to measure the height of the carton; the carton can also be unfolded so that the bent part is fully unfolded, and the unfolded size (manufactured size) is measured with a ruler, and converted according to the relationship between the unfolded size (manufactured size) and the inner size . In short, the new version of the standard has the characteristics of clear test standards and easy operation by both the supply and demand sides. At the same time, it also provides more convenience for the cooperation between the supply and demand sides by adding more contract terms.
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