The Perfect Group’s Heat Seal Tester measures the degree of closure retention of packing seals. It is easy to use; simply insert the packaging material into the tester, and it will apply heat to determine whether the seal is maintained. This guarantees the security and freshness of your products. The tester produces fast, understandable results and is dependable. It ensures that your items are safe and your seals are sturdy, making it ideal for anyone involved in packaging.