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( 1 ) protect the surface material, to prevent the adhesive penetration.

( 2 ) increase the opacity of fabrics ;

( 3 ) increase the bond strength between the adhesive with the surface material ;

( 4 ) prevent the plastic surfaces of the plasticizer into the adhesive penetrate affect its adhesive properties , resulting in reduced adhesion of the label , the label off.

4 , adhesives

Adhesive label material is a medium between the substrate and the adhesive , since the link role . Their characteristics can be divided into two kinds of permanent and removable . It has a variety of recipes for different surfaces and different occasions. Adhesives are adhesive materials technology in the most important ingredient is the key label application technology.

5 , from the type of coating ( coated silicon layer )

That is the bottom layer of silicone coated paper surface , silicone coated base paper can become very low surface tension , very smooth surface , is to prevent the adhesive bond at the end of the paper.

6 , the end of paper

Role is to accept the end of paper coated with release agent , protecting the back surface of the adhesive material , support surfaces, it can be die-cut , waste discharge and labeling on the labeling machine .

7 , back painted or printed on the back

Back coating is a protective coating on the back end of the paper , in order to prevent waste discharge , after rewinding label adhesive bonding around in the end paper. Another role is to manufacture multi-layer labels . Back print production role is printed on the back end of the paper 's trademark or logo , play the role of propaganda and anti-counterfeiting .