How do non-setting sealants work?
Non- setting sealants work by filling the imperfections between the joint surface. This stops any fluids leaking through the joint. The product has a low cohesive strength so that the joint can be opened easily. Much like a Post-It Note ™ Hylomar non-setting sealants permit joint movement, and even flange separation, but reseal when the joint returns to its normal position. This self-healing mechanism is at the core of how non-setting sealants work. If you would like to experiment, try spraying the back of a poster with Hylomar XP Aerosol. It will then adhere to a wall or another surface, yet can be pulled apart like a Post-It Note. Hylomar Universal Blue has higher adhesion, and will support more weight than a Post-It Note, but it works on a similar principle.
