FEATURES & BENEFITS
• The original and unsurpassed Permeability Reducing
Admixture for Hydrostatic conditions (PRAH)
– 35+ years of history
– Effective against 140 m (460 ft) of hydrostatic head pressure
– Reliably self-seals hairline cracks up to 0.5 mm (0.02 in)
– Reduces concrete shrinkage and cracking
• Outperforms other crystalline admixtures on an equal weight
basis (kg for kg / lb for lb)
– Unique chemical reaction
– Highest level of permeability reduction
– Most dependable self-sealing performance
– Best shrinkage and restrained shrinkage cracking reduction
– Proven to extend life and protect against corrosion
• Easily added directly to ready-mix truck or to a central mixer
Krystol Internal Membrane (KIM) is a hydrophilic crystalline admixture used to create permanently waterproof concrete.
KIM lowers the permeability of concrete, and is used in place of surface applied waterproofing membranes. By stopping the transmission of water through concrete, KIM adds durability and longevity to concrete by protecting it against chemical attack and corrosion of reinforcing steel.
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