KingSwell STD is made of bentonite free high performance polymer modified chloroprene rubber strips. The swelling action is the result between water and hydrophilic groups which are part of the KingSwell STD molecular structure.
Advantages
Active protection- KingSwell STD hydrophilic waterstop swell in contact with water to form an effective compression joints
Simple application and jointing techniques
Slow expansion rate to prevent damage to freshly placed concrete during curing
Retains original shape after repeated and contraction
Swelling properties unaffected by long term wet/dry cycling
