Classification of Kraft Paper Bags and Introduction to Design Folding
Kraft paper bag is a kind of packaging item, which refers to the bag used to hold and package gifts. Kraft paper bags are usually made of plastic paper and cloth. In today's society, people use kraft paper bags everywhere. A beautiful kraft paper bag can better contrast your gifts. With the changing lifestyles, consumers are increasingly demanding kraft paper bags. Do you know which kraft paper bags can be classified according to different occasions? Do you know how to fold a kraft paper bag? If you don't know it, then let's take a look at the sharing brought to you today by the International Trade City Network!
Classification of kraft paper bags
The main material of kraft paper bag wholesale is non-woven fabric. Non-woven fabric is a kind of non-woven fabric, which is a new type of fiber product with soft, breathable and flat structure formed directly by high polymer chips, short fibers or filaments through various fiber web forming methods and consolidation techniques.
The main material of kraft paper bag manufacturers is PVC. PVC material is polyvinyl chloride, which is one of the largest plastic products in the world. It is cheap and widely used. Polyvinyl chloride resin is white or light yellow powder. Different additives can be added according to different uses, and PVC plastics can exhibit different physical and mechanical properties. Adding an appropriate amount of plasticizer to polyvinyl chloride resin can make a variety of hard, soft and transparent products.
We can also make different kraft paper bags according to different raw materials: paper kraft paper bags, nylon kraft paper bags, canvas kraft paper bags, fabric kraft paper bags, leather kraft paper bags, plastic kraft paper bags.
Design folding method of kraft paper bag
When designing kraft paper bags, there will be some sizes for the designer as a reference. Generally, the designer will make small changes according to the provided parameters. If some people have special size requirements, they can only contact the printing factory. make contact. With the development of the printing industry, it can meet the printing needs of different sizes of kraft paper bags. The printing size of kraft paper bags is also usually determined according to the size of the packaged product. The usual printing standard sizes are divided into three, four or half. Each is divided into two types: positive or large. The net size of its kraft paper bag printing consists of length × width × height. Kraft paper bag printing positive four open size
(280×200×60mm), the kraft paper bag is printed in a large four-open size (340×210×75mm), and the kraft paper bag is printed in a positive three-open size (340×210×75mm), and the kraft paper bag is printed in a large three-open size Size (360×280×80mm), kraft paper bag printing positive folio size (400×290×90mm), kraft paper bag printing generous folio size (450×210×100mm).
The rope printed on the kraft paper bag can be made of nylon rope, cotton rope or paper rope. When the size is larger, rivets should be reinforced at the rope hole to resist tensile force. The paper can choose 157g, 299g coated paper. For matching with heavier packaging products, 300g coated paper or cardboard over 300g can be used for printing. Due to its strong toughness and environmental protection, white kraft paper has recently been increasingly used in the production of kraft paper bags.
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