1. The national standard for corrugated boxes is GB6543-2008. Its main test items include the carton compression and stacking strength tests.
The study table on the market can adjust the height of the table according to the height of the child. The study table is an essential tool for children to do homework. For example, there is a great and handsome study table on the market. The function is intelligent lifting and lowering, and the desktop can be folded. , When a person sits in front of the table, they naturally enter the concave table top, and the two arms droop naturally. Because the two elbows are supported by the concave plate, the body naturally does not lean forward, which effectively solves the shortcomings of lying on the stomach to write and study. When shopping for a Study Desk, be sure to keep these must-have features in mind. The focus of the study table is to correct the sitting posture and prevent myopia, which is a foldable study table with a concave table top.
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2. The national standard GB/T13024-2003, the main test items include ordinary boxboard, kraft noodle box board and kraft boxboard, etc., quantification, thickness, tightness, burst resistance index, lateral pressure index, transverse folding resistance, water absorption , moisture and other tests.
3, the national standard GB/T6544-2008 mainly on corrugated board thickness, side pressure strength, adhesive strength, burst strength, puncture strength and moisture test items such as specific provisions.
4. The national standard GB/T13023-2008 mainly tests the quantitative, tightness, transverse crush strength index, longitudinal cracking length, and moisture of the corrugated paper, etc., in accordance with relevant standards.
5, GB/T451.2-2002 "quantitative determination of paper and board"), in which quantitative is one of the paper's most basic performance indicators, quantitative is often regarded as the paper's characteristic parameters. The so-called "quantitative" is the "mass per unit area of ​​paper and paperboard measured in accordance with the specified test method, and the unit is g/m2." The accuracy of paper quantitative measurement is related to the area accuracy of the test sample and the accuracy of the weighing device. Weighing was performed using a stamped circular doser and a balance with a precision of 0.01 g. 
With the use of carton more and more widely, the detection of various properties of the carton has become more serious...