Protective Printed White Kraft Bubble Mailers 45x210mm #C Good
Folding Resistance
Feature:
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 porocts 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.
| Data Sheet |
| Materials Classification : | PE |
| Melting Point : | 112°C~135°C |
| Working Temperature : | -100°C~+100°C |
| Material Density : | 0.910~0.925g/cm³ |
| Conventional Size : | 145x210mm #C |
| Sample Color : | Blue |
| Basic Material : | PEVA |
| Protruding Characteristics : | Protective |
| Application Industry : | Candy |
| Shape Style : | Stand Up |
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| Materials introduction |
| PEVA is polyethylene vinyl acetate, which is made up of two kinds
of materials, PE and EVA, with good flexibility and little
elasticity. The higher the proportion of PE is, the harder it is to
adhere. It is usually used as the production film. These two
chemicals ratio can be adjusted to meet the needs of different
applications, and vinyl acetate (VA content) content is high, its
transparency, softness and toughness will be relatively increased. |
