inner valve paper sacks

Production: It is made by pure wood pulp paper(the paper can be coated and complexed with plastic), cut the right length while make the paper as tube(the tube can be muti-wall), and then make one of the block bottom, after this, make the top with inner valve, normally the inner valve should be coplexed with plastic and sealed by hot melt glue.

INQUIRY

Detailed Description

Use: The valve sacks are put the bag bottom with valve on the filling machine. After filling the material, it is packed into a square body. The inner valve sacks will use the filling pressure to seal the valve ,also can be sealed with the hot melt glue. the outer valve sacks will be sealed by folding the valve inside.

Apply to:It is mainly used for packing food, animal feed,chemical powder, mineral products and other powder granular solid materials and so on. It is a popular type of packaging bag which widely used in many lines.

INQUIRY factory

news:

What problems should be paid attention to when usin...

Do you meet the following problems about kraft pape...

How to make the multiwall bag tube?

What is coated kraft paper sacks ? How many colors ...

What’s the difference between pure wood pulp paper ...