Heavy-duty cartons: usually made of five layers of cardboard, also known as double-pitted paper "from the face of the paper, corrugated paper, heart paper, corrugated paper, boxboard" five layers of paper plus, and these five layers of paper almost all grams more than 180 grams per square meter. Corrugated board is usually made of B flute for the outer layer and A flute for the inner layer, or two A flutes. Pressure and puncture resistance is greater than ordinary cartons. Seven-layer carton, also known as seven-layer paper "by the face paper, core paper, separator paper, core paper, separator paper, core paper, bottom paper" seven layers of paper processing and become. Can be loaded with some mechanical equipment, and large household appliances. The combination of corrugated board is generally made up of B flute and A flute. There are BAC flute and AAA flute, and the resistance to compression and puncture is greater than the first two. AAA/AA heavy-duty corrugated packaging is the only product in the corrugated packaging industry that "replaces wood with paper", and its huge market in China is incomprehensible, relying on high-level professional and technical personnel and strong experimental and testing equipment, and applying advanced and scientific concepts. Ltd. to provide users with first-class paper packaging services.
Ordinary carton: divided into a single pit (three layers of paper, the first layer for the face of the paper, the second layer for the core paper together with the bottom paper), that is, by the three layers of paper, "outside the face of the paper, the middle of the corrugated paper, and the inner layer of the boxboard paper" processed by the cardboard box, such as beer boxes, milk boxes, boxes of instant noodles. Relatively small load-bearing, corrugated paper are generally used B flute C flute or E flute. There are also five layers of paper (the first layer for the face of the second layer for the core of each three layers of paper in the partition of the fourth layer for the core paper together with the base paper), like our courier often used ordinary cartons, such as cooking oil generally used in four barrels of packaging boxes and household appliances, such as TVs, washing machines and so on. Usually, the goods contained in ordinary cartons will not exceed 150KG.