A, use 011 and 011 b is can do secondary use hand holding bag, bag, envelope bag, file cover, can also be food packaging.
We can do the white kraft paper, gram weight is 100 ~ 250 g.
But the right hand holding bag gram weight is 100 ~ 170 g.
Why is that?
Due to its tension is very good, the composition of paper is made of all wood pulp.
011 b, we can do 80 ~ 250 g.
011 we can do 75 ~ 175 g.
The second envelope bag suitable do secondary g 70, 80, 90 grams of weight.
General is 100 grams.
But do right file cover secondary gram weight is 120 g.
We use to drench membrane was 033 - a -
Delicate and kraft paper.
Must be mentioned at the beginning of the packages of food use, 011 and 011 b, although no food certification (
, but can be packages of food.
The main secondary is high white food can't pack.
Due to the high white outside with fluorescent whitening agent.
White kraft paper, fiber ordinary white kraft paper, there are two kinds of fiber, a kind of long fiber, also called a short fibers.
White kraft paper, long fiber representing the tensile strength of the paper, and white kraft paper, short fiber burst degrees represent the paper.
The length of the average white kraft paper fiber ratio is 6:4.
Long fiber 011 b (65%), short fiber (35%).
011 and 011 b, the length of the fiber.
As for tear strength and resistance to break is inversely proportional to the degree or proportional this remains to be discussion.
What we want is a secondary long fiber, the less the easier it is to side, of course, higher the edge of white kraft paper is also easy to explode.
Fluorescent whitening agent and whiteness of the white white kraft paper, do not contain fluorescent whitening agent is outside, that is why can be used to package food, high white and fluorescent whitening agent outside, so I can't.
Ordinary white kraft paper whiteness reaches 90 degrees, white kraft paper containing fluorescent whitening agent outside.
011 and 011 b this is white, their whiteness is 84 degrees.
Can be used to package food.
011 b high white, its whiteness is 94 degrees.
So the outside contain fluorescent agent, cannot be used to package food.
White kraft paper moisture value of white leather moisture value average is 8%.
Moisture value too high or too low will affect the use of white kraft paper will present some results.
But also affect the proportion of the length of the fiber.
If moisture value is low, white kraft paper would burst, at the same time will affect the proportion of the length of the fiber.
If moisture value on the high side, white kraft paper in printing will be present to crinkle.
This is why the white kraft paper, to the middle of the humid, printing often present achievement.
White kraft paper, white kraft paper, all degrees, looks very rough, the printing will be gone.
011 degrees & gt;
B 011 degrees.
White kraft paper, printing, 011 and 011 b can be used four-color printing.
Dongguan industrial cardboard composite factory research and development, production and sales of industrial composite board.
The main products: industrial cardboard, composite board, double gray cardboard, whole gray paper
, gray highlights cardboard, coated paper, kraft paper, board, special paper, industrial cardboard, composite board, etc.
Our factory has the abundant technical force and professional production team, has been adhering to the 'do customers suitable products, satisfactory service to clients' spirit of enterprise, won the trust of many customers and support.
We will continue to high-quality products, satisfactory service to meet the various needs of customers.
Warmly welcome new and old customers calls negotiate!
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