The State Entry-Exit Inspection and Quarantine Bureau is the administrative department responsible for the inspection and control of import and export commodities in my country's foreign trade system, which also includes the quality control of export cartons. This department has its own inspection standards (inspection and quarantine standards) and includes inspection standards for cartons. Different from the national standard, the national standard covers all the common testing methods and technical standards for the packaging form of the carton in my country. The inspection and quarantine standard is specific to the individual field of export carton, and the description is more detailed. Therefore, the necessity of understanding these standards for carton manufacturers is obvious.
With the increasing use of cartons, the detection of various properties of cartons has become more important. The detection of paper products and cartons mainly includes the following:
1. The national standard for corrugated boxes is GB6543-2008, and its main test items include carton compression and stacking strength tests.
2. The national standard GB/T13024-2003, the main test items include ordinary box board, kraft noodle box board and kraft box board, etc. quantification, thickness, tightness, bursting index, transverse ring pressure index, transverse folding resistance, water absorption , Moisture, etc.
3. The national standard GB/T6544-2008 mainly specifies the test items of corrugated cardboard thickness, edge pressure strength, adhesive strength, burst strength, puncture strength and moisture.
4. The national standard GB/T13023-2008 mainly tests whether the basis weight, tightness, transverse ring compressive strength index, longitudinal fracture length and moisture of corrugated base paper meet the requirements of relevant standards.
5. GB/T451.2-2002 "Determination of Quantitative Weight of Paper and Cardboard"), where quantitative is one of the most basic performance indicators of paper, and quantitative is often regarded as a characteristic parameter of paper. The so-called quantitative is "the mass of paper and cardboard per unit area measured according to the prescribed test method, in g/m2." The accuracy of quantitative determination of paper is related to the area accuracy of the tested sample and the accuracy of the weighing device. It is recommended Weigh with a punch-type circular quantitative sampler and a balance with an accuracy of 0.01g.