1.Product Introduction
To test the ink layer bonding strength of printed (intaglio) plastic film, composite film, cellophane and so on; test the layer bonding status formed by vacuum coating, surface coating and composite technology etc.
2.Testing principle
The glass tape paper selected according to the standard is bonded to the printing surface of the sample ink after adjusting the test environment with the standard load, rolling speed and rolling times, and is placed and adjusted for a certain time, then they are peeled off with a certain pressure and stripping speed to observe the situation of the sample ink layer being peeled off, so as to judge the combination fastness of the printing ink layer.