Technical Support Testing method
All zippers of PROSEAL®, AQUASEAL® and FLEXSEAL® are individually pressure tested for leaks prior to shipment.
No air bubbles coming up for periods* will ensure to pass the test.
* For example, no air bubbles for 20 seconds will guarantee 0.3bar for No.10 AQUASEAL®.
Water tightness performance differs depending on zipper type and size.
Please visit each product information page for detail.