How to Choose tamper evident label materials?

Considering the following questions can help us choose the suitable material.

1. Opened to alert security materials. A:Low Residue security label materials.B:Customized security label materials. Before use, please confirm the level of the security material, the general requirement is the low residue security material, if you want to improve the security level, you need to choose a special version of security material; If a higher level of security is required, multiple security technologies can be superimposed.

2. Types of adhesives: From the point of view of the performance of the adhesive, it can be divided into two types: permanent adhesive and removable adhesive.

3. Emphasize the significance of the surface of the label bearing material: because the label processed with security materials may be pasted on the surface of various materials, such as glass, metal, cardboard and plastic. And plastics can be further divided into: polyvinyl chloride/high density polyethylene/low density polyethylene/polypropylene and so on. Tests show that different material surfaces have a great impact on the performance of the pressure-sensitive adhesive.

8. Printing and processing requirements for security label materials: In the selection of different printing methods (such as flexographic printing, letterpress printing, offset printing, heat transfer and laser printing, etc.), as well as different processing methods (such as roll to coupon, roll to sheet, folding feed, sheet to sheet), different sizes of release paper are required to adapt to the surface material.

Please note : Before determining the security label material , it should be tested under the same printing , processing and labeling conditions .