Cosmetics packaging the non-drying label detection

The non-drying label test

the non-drying label which has been widely applied in cosmetics packaging, the test project is aimed at the non-drying label, Stickers or pressure sensitive adhesive) Bond performance test, mainly at the beginning of the test items include viscosity can, peel strength, viscosity, Stripping force) Three indicators.

initial viscosity test, cant ball method is used, through the ball and the surface of the pressure sensitive adhesive tape sample viscosity with slight pressure between the brief contact with glue stick to the steel ball adhesion effect to test specimens, the initial adhesion to stick to one of the biggest steel ball, the initial viscosity of adhesive in the characterization. A sticky to detect need to bring with a glue stick sample test board vertical hanging rack tests, the lower end of hanging weight farmar, in a certain period of time after the specimen displacement of glue or completely out of time to represent the non-drying label can hold sticky. The peel strength is one of the important indicators to measure the non-drying label stick performance, usually the target can be detected by electronic tensile testing machine or the electronic stripping tester.