As a regular customer in packaging and printing, kraft paper is no stranger to friends in the industry.But many friends do not know why kraft paper than normal paper strength and tension better?It is necessary to analyze the craft and composition of kraft paper from its origin to get a more comprehensive understanding.
For kraft paper, the origin of ancient s that is about to begin, the time of the kraft paper is made of calf, but through technology, science and technology constantly updated and send a, now this use kraft paper, kraft paper, seldom see, unless in the surface of the drums or premium brand kraft paper packaging, can have a chance to see.Now through early knowledge of the process, chemical methods, through the dye, plastic materials and other processing of paper, as the surface like cattle skin, known as kraft.
For the strength of kraft paper, this needs to be analyzed from its composition.Kraft paper is made by long wood fiber commonly or regenerated pulp and wood pulp is made, after cooking wood, with caustic soda and sulfide alkali and other chemicals through chemical treatment, intact retained the strength of long wood fiber, so more general paper, its strength will be more solid.