Using the inclined surface rolling ball method, the initial tack of the sample is tested by the adhesion of adhesive tapes, labels and other products to the steel ball when the steel ball and the sticky surface of the test sample are in short-term contact with a small pressure.
The overall good aluminum profile design, beautiful and durable
Innovative precision control angle adjustment device, more convenient angle adjustment,
The fine steel ball position adjustment knob is convenient for adjusting the position of the steel ball in front, back, left and right
The steel ball is made of GCr15 bearing steel, and the precision level of the shape tolerance and surface roughness of the steel ball exceeds the grade 40 stipulated in GB/T308.
GB/T4852 "Pressure Sensitive Tape Initial Adhesion Test Method - Rolling Ball Method"