Do you know the performance requirements of gray board?
The use of gray cardboard is very extensive,occupying a large part of the space in the packaging market,and many gray paper manufacturers have risen.Although gray board paper is good,it must be qualified to be able to play its due role.
The specification of gray board paper has certain requirements,and its use should be considered in the production to enhance the performance of certain aspects.It should have the following requirements in terms of performance:
1.It must have paper looseness and good plasticity to ensure the characteristics of frame pressing and bronzing.
2,to have the uniform thickness of the cardboard and no deformation performance,to ensure the standard design of the cover;
3,to have good stiffness and good mechanical strength,in order to maintain the practicality and durability of the binding books,albums;
4,to have a certain layering strength,to meet the needs of the finishing process;
5,the cardboard itself is not allowed to be bonded with plant starch adhesive to prevent the growth of starch mold.
This is the performance requirement of gray board paper,and it must be guaranteed in the production process to make it popular!