INTRA Expanding Seal is a sealant with swelling qualities/properties on polyurethane basis and this is why it has a good chemical resistance. For example, at this project, with contaminated soil conditions, it was much needed to construct tubs of sheet piles which are watertight and resistant to chemicals.
Not only does the INTRA Expanding Seal has got good chemical resistance, it also makes sure to have a watertight seal. The seal expands up to 350% of its original volume when in contact with moist, which makes it a watertight seal. All this comes to great value when in need for over approximately 112 kilometers of sheet pile locks.
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