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The basic choice of bread toast bag

Bread toast bag, as the name implies, is a bag used to hold items and easy to carry. Its load-bearing function determines its material and form. According to the materials used, it can be roughly divided into portable paper bags, plastic bags, cloth bags, small baskets and small baskets in a broad sense. The most common and most frequently used should be paper composite bags and plastic bags, followed by cloth bags. Small baskets and small baskets are rare in large cities.

Portable paper bag

Most of the hand-held paper bags are made of heavy kraft paper, white cardboard, white cardboard with gray background, white cardboard with white background and copper cardboard, which are printed, die-cut, glued and formed by an offset printing machine. Due to the modernization of printing technology and equipment, the printing patterns are very exquisite, delicate, and rich in expressions. All the craftsmanship in modern printing can be displayed on a small handbag, such as bronzing, bumps, UV, die-cutting, etc. Due to the difference in materials, the stiffness and toughness of kraft paper are better, and the surface is relatively rough, and it has a background color. It is generally not suitable for 4-color printing. It only does some single-color printing and does not need to be coated on the surface. The production cost is Around 1.5 yuan (folio). Pay attention to the use of good quality glue when bonding the kraft paper handbag, otherwise the bottom and the mouth will burst. At the same time, kraft paper handbags will be degummed if they are placed for too long. White cardboard, white cardboard with gray background, white cardboard with white background and copper cardboard all have a common feature. The surface is delicate and all are white. It is suitable for 4-color printing and can print very exquisite patterns. Due to the paper itself The characteristics of toughness and water resistance, usually after printing, the surface must be covered with a film (BOPP film, also called biaxially oriented polypropylene film, and such paper bags are called paper-plastic composite bags) to increase its toughness and water resistance. Laminated handbags generally do not appear to be degummed. The production cost is 1.3~2.0 yuan. Copper cardboard handbags have the highest cost, followed by white cardboard handbags, gray-bottomed white cardboard handbags, and white-bottomed white cardboard handbags.

Plastic bag

According to the materials used, plastic bags are divided into ordinary plastic bags and degradable plastic bags. Generally, the thickness of plastic shopping bags provided by farmers’ markets is about 0.005 mm. The thickness of plastic shopping bags provided by large supermarkets and shopping malls is generally between 0.015 mm and 0.020 mm. At present, more than 80% of the plastic shopping bags in the market cannot reach the thickness of 0.025 mm or more. Plastic limit standard. After plastic restriction, large supermarkets and shopping malls have paid plastic shopping bags, and some shopping malls use biodegradable plastic bags.

Cloth bag

According to whether the materials used need to be woven, cloth bags can be divided into woven cloth and non-woven cloth. Textile cloth is divided into plant fiber cloth and chemical fiber cloth and blended cloth; non-woven cloth is usually also called non-woven cloth, English name is NonWoven, which is a kind of non-woven cloth, which is directly made of polymer chips, short fibers or filaments. The fibers are formed into a web by airflow or mechanically, and then reinforced by spunlacing, needle punching or hot rolling, and finally finished to form a non-woven fabric. It has a new type of soft and breathable fiber product. The advantage is that it does not produce fiber debris, is strong and durable. , Silky soft, but also has a cotton feel. Compared with cotton fabrics, non-woven bags are easy to shape and cheaper to manufacture. Textile bags are mostly made of cotton, canvas, polyester-cotton cloth, Oxford cloth and other materials. The surface of these cloths is rough and cannot be directly finely printed. Screen printing or transfer printing is often used. At the same time, due to the high price of raw materials, the handbags produced are also more expensive.

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