Rolling Ball Tack Tester for Quick and Reliable Adhesive Evaluation
Adhesive tapes, labels, stickers and protective films must stick to a surface immediately after application. This instant gripping ability is called initial tack. When initial tack is inconsistent, adhesive products may peel, shift or fail before a strong bond is developed. A Rolling Ball Tack Tester is used to evaluate the initial tack of pressure-sensitive adhesive materials. The instrument provides a simple laboratory method for comparing adhesive samples and monitoring product quality during manufacturing. What Is a Rolling Ball Tack Tester? A Rolling Ball Tack Tester is a testing instrument that measures how effectively an adhesive surface can stop a freely moving stainless-steel ball. During the test, the ball is released from a fixed position on an inclined track. It rolls down the slope and moves onto the adhesive-coated specimen. The adhesive resists the movement of the ball and eventually brings it to a stop. The distance travelled by the ball helps indicate the initial...