Paper Bag It is well known that paper is a recyclable resource. papermaking raw materials are mainly plant fiber, in addition to the raw materials containing cellulose, Paper Bag hemicellulose, lignin three main components, there are other components, such as resin, ash and so on. In addition, there are auxiliary ingredients such as sodium sulfate. In addition to plant fiber in the paper, it is necessary to add different fillers according to different paper materials. The commonly used plastic bags made from polyethylene are oil, Paper Bag and oil is already our scarce energy source. In contrast, paper bags are made from trees and are renewable resources. Its own biodegradable, Paper Bag recyclable features naturally labeled green labels.
Not all paper bags are biodegradable, some paper bag pressure plastic film, if the film material is polyvinyl chloride not only on human health will be harmful to the paper material part of the normal decomposition of the impact. In addition, the production of paper is still the use of wood as the main material, excessive production of paper bags, resulting in a large number of trees felling, the same will Paper Bag damage the environment. The immaturity of papermaking technology makes a lot of waste gas in the process of production if the treatment equipment is backward, it will cause untreated or untreated discharge, which can still pollute the environment.
Paper Bag is one of the most popular environmental protection paper bags in the world. Kraft Paper Bag is one of the most environmentally friendly packaging bags, Paper Bag now people are more and more attention to environmental protection, so the use of kraft paper bags more and more people, then what kind of kraft paper bag?
1, according to the material can be divided into: a. Pure kraft paper bag; b. Compound Kraft cardboard bag (Kraft composite aluminum foil); Paper Bag C: Woven bag composite kraft bag (General bag type)
2, according to the bag type can be divided into: a. Three sides of Kraft paper bag; b. kraft paper bag of side organ; c. kraft paper Bag; E. Self-zipper kraft paper Bag
3, according to the bag type can be divided into: a. Valve pocket; b. bottom bag; d. Hot sealing pocket; E. Hot sealing Square Bottom Bag
The use of refined white paper or yellow kraft paper, inside the use of plastic woven cloth, through high temperature and pressure to melt the plastic particles pp, kraft and plastic woven cloth together. Can be added to the inner membrane bag. The form of paper-plastic composite bag is equivalent to open pocket in seam bottom. Good strength, waterproof and moisture-proof and other advantages. The frequent use of plastic bags has brought a lot of pollution to our living environment, and the appearance of Kraft paper bags has replaced the use of plastic bags in many industries.