Corrugated paper
Corrugated paper has the advantages of lightness and strength, high load-bearing and compression strength, impact resistance and moisture resistance, and low cost. Single-sided corrugated paper board is generally used as a protective lining layer for packaging goods or for making lightweight cardboard grids and pads to protect goods from vibration or collision during storage and transportation; three-layer or five-layer corrugated paper board is used to make retail packaging for goods; Seven-layer or eleven-layer corrugated paper board is mainly used to make packaging boxes for electromechanical products, furniture, motorcycles, large household appliances, etc. Corrugated paper can be divided into seven categories according to the type of gutter: Gutter A, Gutter B, Gutter C, Gutter D, Gutter E, Gutter F and Gutter G. Among them, Gutter A, B and C are generally used for outer packaging, and D and E are used for small and medium packaging.
In order to highlight the class of packaging products, more and more customers choose to use gold and silver cards for printing. Based on many years of printing experience, some issues that should be china number data paid attention to when printing gold and silver cards have been summarized:
Gold and silver cards are a special kind of paper. Different from ordinary paper, they are divided into two types: bright gold card and dull gold card, bright silver card and dull silver card. It is a layer of gold and silver foil on a single-layer copper paper or gray card paper base. This material is not easy to absorb ink when printing, so quick-drying ink should be used for printing.
Plastic packaging materials
Packaging materials used for various products are usually used only once. Once the products have circulated from the manufacturing plant to the hands of consumers or after the products have been opened and used, the packaging materials have completed their mission and are subject to recycling or disposal as waste.