Cell Instruments Blog

Hot tack testing is an essential procedure in the research and development (R&D) of packaging materials, particularly those used in the food, medical, pharmaceutical, and various other industries. This testing method evaluates the strength of a seal while it is still hot, before it has cooled down and reached its final strength. Understanding the principles and applications of hot tack testing is crucial for ensuring the integrity and performance of packaging materials. This article delves into the details of hot tack testing, guided by standards ASTM F1921 and ASTM F2029, and highlights the importance of using a reliable hot tack tester for accurate results.   What is Hot Tack Testing?   Hot tack testing measures the strength of a heat-sealed joint immediately after sealing, before the seal has cooled to ambient temperature. This test is crucial for materials that require immediate handling or movement post-sealing, such as in high-speed packaging operations. The test hel...

In the realm of medical packaging, the integrity and reliability of seals are paramount. One critical aspect that ensures this reliability is the hot tack test. This testing process assesses the strength of heat seals while they are still hot, providing essential insights into the packaging material's performance. This article delves into the significance of hot tack tests, especially for medical packaging, and highlights the advanced capabilities of Cell Instruments' Hot Tack Tester.   Understanding the Hot Tack Test   The  hot tack test  is a method used to measure the strength of a heat seal while it is still in the molten or semi-molten state, right after the sealing jaws have separated. Unlike other seal strength tests performed after the seal has cooled, the hot tack test offers immediate feedback on the seal's performance, which is crucial for materials that must maintain their integrity during the cooling phase.   Standards Guiding Hot Tack Testing ...