Kraft paper bags

non-toxic, odorless, non-polluting, in line with national environmental standards, with high strength, high environmental protection, is one of the most popular international environmental protection packaging materials. Making kraft paper bags from kraft paper is getting more and more widely used, shopping in supermarkets, shopping malls, shoe stores, clothing stores and other places, there are usually kraft paper bags supplied to facilitate customers to carry the purchased items. Kraft paper bags are a kind of environmentally friendly packaging bags, which are available in a wide variety of types.

Structure
Kraft paper bag is a composite material production . pure kraft paper production of packaging containers, non-toxic, tasteless, non-polluting, low-carbon environmental protection, in line with national environmental standards, with high strength, high environmental protection, is one of the most popular international environmental protection packaging materials.
Kraft paper bags are all wood pulp paper as the substrate, the color is divided into white kraft paper and yellow kraft paper, can be used in the paper on the PP material dripping a layer of film, to play a waterproof role, the strength of the bag can be made according to the customer’s requirements of the one to six layers, printing and bag-making integration. The opening and sealing methods are divided into heat sealing, paper sealing and gluing.

Category

1: According to the material can be divided into: a. Pure kraft paper bags; b. Paper and aluminum composite kraft paper bags (kraft paper composite aluminum foil); c: Woven bags composite kraft paper bags (generally larger bags)
2: According to the bag type can be divided into: a. three side seal kraft paper bags; b. side organ kraft paper bags; c. self-standing kraft paper bags; d. zipper kraft paper bags; e. self-standing zipper kraft paper bags
3: According to the appearance of the bag can be divided into: a. Valve bags; b. Square bottom bags; c. Sewing bottom bags; d. Heat-sealed bags; e. Heat-sealed square bottom bags

Production method

Kraft paper bags because of its environmental characteristics, by the crowd favor, especially in European countries are almost all using kraft paper bags, then there are several ways to do kraft paper bags.
1, small white kraft paper bags, generally this bag is a large number of bags, the use of a wide range, because of these many businesses require this kraft paper bags cheap and durable, usually this kraft paper bag practice is machine molding, machine sticker rope, completely operated by machine.
2, medium-sized kraft paper bags, usually, medium-sized kraft paper bags are machine laminating molding after people manually paste the rope and made of kraft paper bags, due to the domestic kraft paper bag molding equipment by the molding size limitations, and kraft paper bags paste the rope machine can only paste the rope of the smaller handbags, so kraft paper bags by the limitations of the machine’s practices. A lot of bags there is no way for the machine to complete the sole production.
3, large bags, kraft paper bags with reverse head, thicker yellow kraft paper bags, these kraft paper bags to be purely handmade, the country has not been able to solve these kraft paper bags molding machine, can only be handmade, this type of kraft paper bag production costs are higher, the number will not be very large.
4, no matter which kind of kraft paper bags above, if the number is not large enough are generally handmade, because the machine-made kraft paper bags loss, there is no way to solve the practice of small quantities of kraft paper bags.

Performance Parameters

Applicable type: single-use
Shape: Flat bag, square bottom open bag, square bottom valve bag, one word paste bottom bag (for food packaging)
Material: polypropylene, kraft paper, aluminum foil
Filling capacity: 0.2KG-50KG
Sewing method: paper bottom sealing, heat bottom sealing, paste bottom.
Lining: paper lining, inner film bag

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