hydrophilic swelling bentonite waterstop for grout joint

Swellable Waterstop | Sika Corporation U.S. hydrophilic

Hydrotite is a state-of-the-art hydrophilic waterstop with unmatched durability and watersealing capacity. Comprised of Non-Bentonite, modified chloroprene rubber, Hydrotite expands up to EIGHT TIMES its original volume when exposed to water. This expansion creates an effective compression seal within joints of limited movement.

Home – Hydrophilic Waterstops

Bentonite-based waterstops frequently fail when subjected to hydrostatic water head and become extruded from the construction joints, thus allowing subsequent water infiltration. Most available bentonite waterstops do not have a delay coating which results in premature swelling in green concrete.

Hydrophilic (Swelling) Waterstops | Sika Corporation U.S.

Hydrotite is a state-of-the-art hydrophilic waterstop with unmatched durability and watersealing capacity. Comprised of NON-BENTONITE, modified chloroprene rubber, Hydrotite expands up to EIGHT TIMES its original volume when exposed to water. This expansion creates an effective compression seal within joints of limited movement.

Bentonite Waterstop for Water Containment Projects

Solutions to Water Containment Needs – Bentonite Waterstops. Bentonite waterstop is a kind of hydrophilic water sealing product coming with incomparable durability and higher water absorption no less than 300%. Unlike traditional clay based waterstops, this one utilizes rubber as base material to form a controlled, moisture active sealant – that means the bentonite waterstop will not expand to …

Hydrophilic Waterstops and Mastic Waterstops

Earth Shield® Type NB190® Hydrophilic Waterstop Paste is for use in concrete cold joints, precast joints, tunnel segments, pipe penetrations, and as an optional adhesive for Type NB190® hydrophilic chloroprene rubber waterstops. The product has a 250% expansion when …

concrete construction joints. Krytonite is used instead of conventional swelling waterstops, or as part of the Krystol Waterstop System (KWS). Through its unique synthetic rubber technology, Krytonite swells up to 4 times more than ordinary rubber or bentonite swelling waterstops, and produces