Characteristics of different woven plastic bags
Woven Plastic bag is a type of packaging bag made from woven polypropylene (PP) fabric. It is commonly used due to its durability, low cost, and versatility across various Products such as sugar, rice, animal feeds, flour, malt, coal etc.
The term "plastic woven bag" broadly encompasses a range of woven bags. Depending on the different materials used in their production, these bags can be categorized into distinct types, each possessing unique characteristics and specific usage scenarios:
Plain woven plastic bag, is simply produced from Plastic woven fabric, with simple cutting, sewing and flexographic printing. It is the most widely used and cheapest product in the woven Plastic bag. The quality and price vary a lot due to the material using in virgin and recycled.
Coated plastic woven bag, A layer of film is coated on the both sides or one side of the plain plastic woven bag, which has the functions of waterproof and moisture-proof, and can also be flexographically printed according to user requirements
BOPP composite woven plastic bag, The BOPP film is gravure printed in multi-colors and then compounded with the plastic woven fabric. The colors are bright and the patterns are clear. It is not only beautiful in appearance, but also waterproof and moisture-proof, which is deeply loved by customers. We can offer max ten-color printing and makes the color catching more accurate and the printing effect more realistic.
Paper-plastic composite woven bag, are mainly made of refined white kraft paper or yellow kraft paper as the outer layer, and plastic woven cloth is used inside. Plastic resin (such as polypropylene PP) is melted by high temperature into yarn and woven into fabric, high laminated firmly to composite kraft paper. In addition, inner liner PE bags can be added according to users' demand. Compared with paper bags, the composite structure of kraft paper and plastic woven cloth makes the bags stronger and able to withstand greater weight and pressure, making them particularly suitable for items that require protection from light like chemical resin, addictive and animal feed.
Back seam composite plastic woven bag mainly includes BOPP composite woven plastic bag and Paper-plastic composite woven bag. The bags are more suitable for automatic bagging of products. These bags have a better requirement for the bag size and flatness.
Valve woven plastic bag, commonly known as paste-bottom bags, are an internationally popular packaging material. They are characterized by feeding from the top or bottom valve port and using special filling equipment for filling. After filling the material, the bag can be packed into a cube, the stacking is neat and beautiful, and it is also regarded as an environmentally friendly bag. The valve bag has excellent sealing performance, which can effectively prevent the leakage of items or the intrusion of external impurities, ensuring the integrity and safety of the items.
