اضافات ساب 221

Crystalline Admixture
Typical applications:
Waterproof concrete for basements and below grade parking structures
Waterproofing of potable water structures
Waterproofing of sewage structures
Waterproofing of tunnels and pipelines
Slab waterproofing (dry shake application)
Waterproofing of elevator pits
Waterproofing of shotcrete

Properties:
Self healing properties of treated concrete of up to 0.4 mm static cracks
Waterproof up to 400 ft in properly formulated mix designs
Slightly hydrophobic
Easy to mix
Increased final strength
Little influence on concrete setting and strength development
Increased resistance against aggressive media with a pH range of 3-12 and against soft water with low ion content
Does not effect rebar passivation.