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Flame Retardant Padded Packing Envelopes , 75x165mm #CD Bubble Mailers
Kraft bubble mailers or kraft is paper or paperboard (cardboard) produced from chemical pulp produced in the kraft process.
Sack Kraft bubble mailers, or just sack paper, is a porous Kraft bubble mailers with high elasticity and high tear resistance, designed for packaging products with high demands for strength and durability.
Pulp produced by the kraft process is stronger than that made by other pulping processes; acidic sulfite processes degrade cellulose more, leading to weaker fibers, and mechanical pulping processes leave most of the lignin with the fibers, whereas kraft pulping removes most of the lignin present originally in the wood. Low lignin is important to the resulting strength of the paper, as the hydrophobic nature of lignin interferes with the formation of the hydrogen bonds between cellulose (and hemicellulose) in the fibers.
Kraft pulp is darker than other wood pulps, but it can be bleached to make very white pulp. Fully bleached kraft pulp is used to make high quality paper where strength, whiteness and resistance to yellowing are important.
|Materials Classification :||paper|
|Melting Point :||None|
|Working Temperature :||None|
|Material Density :||0.35g/cm³|
|Conventional Size :||175x165mm #CD|
|Sample Color :||Tan|
|Basic Material :||Kraft Bubble|
|Protruding Characteristics :||Flame Retardant|
|Application Industry :||Garbage|
|Shape Style :||Hand Length Handle|
|Kraft paper is a tough, water resistant wrapping paper. It's brownish yellow and has a wide range of uses. It's used for making paper bags, envelopes, workbooks, albums, files and sandpaper. The quantitative range is 80 g / ㎡ to 120 g / ㎡. There are differences between web and flat paper, single side light, double side light and stripe. The main quality requirements are flexible, strong, high breaking resistance, can withstand greater tension and pressure does not rupture. Kraft paper has a high tensile force, with single light, double light, stripes, no grain, etc.. Mainly used in packaging paper, envelopes, paper bags and printing machine drum lining, etc..|
The effect of printing ink is very different from the effect of printing on the bleached paper. Therefore, it is better to use brightly colored ink and use a more waking color, so the printing effect is better. The soft color and light color are the most difficult to achieve the desired effect of ink density, opacity and wear resistance. In addition, if necessary, a little white can be added to the ink, which will help to achieve the desired soft tone or light color, which is very useful for copying soft color and light color.
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