How much pressure is necessary for a tape-attached seal to ensure a good bond? How much pressure time is required?
A. The goal of pressurization is to achieve 100% wet-out of the adhesive. This can be affected by size, shape, rubber durometer and tape placement of the components to be bonded. As a rule, a minimum of 15 pounds pressure per ½” of tape width should be used. Pressure dwell time is not as important as application of firm, even pressure over the entire seal. The application of firm, even pressure is key to 100% wet-out of the adhesive. Q.
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