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JP Specialties Type NB190A is a modern, hydrophilic rubber waterstop with unmatched durability and watersealing capabilities. Manufactured NON-BENTONITE, modified chloroprene rubber, Type NB190 more than doubles its original size (400% volume swell)when exposed to water. This expansion creates an effective compression seal within joints of limited to no movement. Type NB190 can expand and reexpand unlimited times with virtually no loss of physical properties. Additionaly, Type NB190 has excellent resistance to many chemicals, is heat-resistant, and can be safely used in drinking water.
Use paste # NBPASTE when applying NB190A for proper adhesion.
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