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IPANEX
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BACK |
Ipanex |
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IPANEX
- An Admixture to
Reduce the Permeability of Concrete |
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IPANEX is a complex
alkaline earth silicate admixture that chemically reacts with portland
cement to improve the physical and chemical properties of concrete in all
stages of development - fresh, curing and finished concrete. |
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IPANEX is used to reduce the
permeability of concrete in above and below grade applications, to provide
concrete with greater durability in structures that are historically subject
to accelerated deterioration and to provide resistance to reinforcing steel
corrosion.
Typical applications include parking
structures, below grade walls and floors, water and wastewater treatment
plants, underground vaults, tanks and pits, swimming pools, pressure mats,
water storage tanks, tunnels, bridge structures (precast and cast-in-place),
curbs and gutters, sidewalks, manholes, catch basins, highways, water parks,
monuments, runways and dams. |
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The effects of IPANEX
concrete admixture include |
 | Permeability Reduction -
The most water soluble constituents, calcium
hydroxide and calcium aluminum hydroxide (referred to as free lime) are
converted into the insoluble minerals, tricalcium silicate and
tricalcium-aluminum silicate. These insoluble minerals precipitate into
the capillaries as very fine micro-crystals. Combined with the micro-pore
structure, this results in a concrete mass which can withstand the
penetration of water, even under extreme pressures. |
| Increased Durability -
Large numbers of the macro-pores (found in
conventional concrete) are reduced in size to micro-pores in IPANEX
concrete. Approximately 3.8% of the cured mass of IPANEX concrete
is occupied by these micro-pores. The micro-pores are hydrophobic and even
though the system "breathes", condensation cannot form. This factor,
combined with other physical properties of IPANEX concrete, results
in a matrix that is extremely durable under the most severe conditions.
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| Corrosion Resistance -
Independent field evaluations and laboratory
testing show that IPANEX concrete
protects reinforcing steel from corroding |
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The Advantages of IPANEX |
In the Fresh Concrete State -
| Contains no calcium chloride (or other
chlorides) |
| Lower slump concrete is more easily
mixed, placed and consolidated |
| Highly cohesive, eliminating voids and
honeycombs |
| Bleed-water is reduced, providing for
earlier finishing |
| Excellent workability when floating or
toweling |
| Easily pumped |
| Minimizes segregation |
In the Curing State -
| Significantly reduces drying shrinkage
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| Lower controlled heat of hydration
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In the Hardened State -
| Higher compressive strength (slump for
slump and equal air content) |
| Positive effect on all physical
properties |
| Watertight under hydrostatic pressures up
to 7 atmospheres - more than 100 psi (689.5 kPa). Forms a completely
watertight mass |
| Hard durable surfaces are resistant to
dusting and spalling |
| Surfaces are also highly resistant to
cavitations and abrasion |
| Eliminates formation of condensation in
the pore matrix, resulting in excellent freeze-thaw resistance |
| Inorganic material providing
anti-bacterial and anti-fungal properties |
| IPANEX reduces efflorescence and
exhibits increased resistance to chloride ion penetration |
| Cannot wear off like a coating
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Packaging: 275 gallon (1041 L) tote tanks, 55
gallon (208.2 L) drums, 5 gallon (18.9 L) pails, pints (.47 L)
Shelf Life: 3 Years; Protect from freezing
Dosage: 13 oz (0.38 L) per sack of cement;
13.8 oz (0.40 L) per 100 lbs. (45.4 kg) of cement |
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