Special
paper is a paper with special functions made from different fibers by paper
making machine, such as using synthetic fibers, synthetic pulp or mixed wood
pulp alone.
Cooperate
with different materials for modification or processing, give paper different
functions and uses. Mainly used in: life, building materials, electrical
products, industrial and sub-filter, machinery industry, agriculture,
information optics, culture and art, biochemical cutting-edge technology, catalogue
printing etc.
As
long as it is used for special purposes of paper, all collectively referred to
as special paper. With the development of technology, the processing of
special paper has made great progress: new types of special paper are
constantly introduced; The raw material is no longer limited to plant
fiber, non-plant fiber is also used in the processing of special paper;
Structurally,
in addition to the fiber interwoven layer, can also be processed or increase
the number of coating layers; On the effect, can press the design to copy
according to need.
There
are many kinds of special paper, the design effect is not the same, the common
plant parchment, synthetic paper, cellophane, embossed paper and so
on. Its production process, product characteristics, printing suitability
are also different. Generally speaking, the performance of special paper
is better than ordinary paper in one respect, but most of the special paper has
the problem of absorption, and the printing quality is difficult to
control; Colored special paper in custom catalogue
printing, easy to cause product color difference;
In
the special paper surface using a variety of post-press processing methods will
also produce different styles. In addition, special paper production input
is large, the price is higher.