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Shipping Size 4 Kraft Bubble Mailers , White / Yellow Mailing Envelopes 9.5"X14"

Shipping Size 4 Kraft Bubble Mailers , White / Yellow Mailing Envelopes 9.5"X14"

kraft paper bubble mailers

kraft bubble envelopes

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IECC ISO9001/14001

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Product Details
Standard Size:
Kraft Bubble,Poly Bubble,Kraft Paper
Mailing Ad Packaging
Strong Adhesive,Recyclable,Waterproof
Accept Customized Logo Printing
Product Description

9.5"X14" Size 4 Bubble Mailers , White Kraft Bubble Bags Oil Resistant


Materials introduction


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..


Multi-functions for mailing and packaging,Self-seal closure is secure and convenient

Made from 100% recycled content.

Special sizes and printings can be custom-made-quotations upon request.

Strong Adhesive Shock resistance Water Resistance

Eco Friendly Light-weight No-toxic


A few points to be paid attention to in the printing of kraft paper:
Pay attention to the color of printing
In order to get better color copy in the [3] printing of kraft paper, it is more difficult to print than SBS paper. In particular, the exact reproduction of color on the ordinary cowhide board requires more careful printing than on bleached cowhide paperboard. Because the ordinary kraft paper itself is dark brown,
Brief Introduction
Kraft 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.

Data Sheet
Materials Classification : paper
Melting Point : None
Working Temperature : None
Material Density : 0.35g/cm³
Conventional Size : 9.5"x14" #4
Sample Color : Silver
Basic Material : Ordinary Paper
Protruding Characteristics : Antistatic
Application Industry : Garbage
Shape Style : Flexiloop Handle
Related Picture
Shipping Size 4 Kraft Bubble Mailers  , White / Yellow Mailing Envelopes 9.5"X14" 0

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