Design points of kraft paper packaging bags.kraft coffee bags with valve

Kraft paper bag is a packaging container made of paper plastic composite materials or pure kraft paper. The inner layer is generally made of PE, which is non-toxic, odorless, pollution-free, low-carbon and environmentally friendly. It meets national environmental standards, has high strength and environmental protection, and is one of the most popular environmentally friendly packaging materials in the world.

Kraft paper bags are made of all wood pulp paper as the base material, with colors divided into white kraft paper and yellow kraft paper. Although their colors are different, their performance is the same. When making kraft paper packaging bags, PP material is usually coated with a layer of film on the paper to provide waterproofing. The bag strength can be made into one to six layers according to customer requirements, and printing and bag making are integrated. The opening and sealing methods are divided into heat sealing, paper sealing, and paste sealing.

Applicable scope:

It can be used for packaging chemical raw materials, food, snacks, seasoning, hardware, pharmaceutical additives, building materials, supermarket shopping, clothing, and all other industries suitable for kraft paper bag packaging.

According to the material, it can be divided into: a. pure kraft paper bags; b. Paper aluminum composite kraft paper bag (kraft paper composite aluminum foil); c: Woven bag composite kraft paper bag (generally larger bag size); d. Paper plastic composite packaging bags

2: According to the bag type, it can be divided into: a. Three sided sealed kraft paper bags; b. Side organ cowhide paper bag; c. Self supporting kraft paper bag; d. Zippered kraft paper bag; e. Self supporting zippered kraft paper bag

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