Description

DarNlok 785 is a water reducing concrete admixture originally developed specifically for on-site continuous type mixers. DNL 785 has various uses for all types of mixers because of its rapid integrating characteristics and the ability to be used directly in the water supply system or in on board admix tank systems.  DNL 785 decreases water-cement ratios while increasing the quality of the cement; improving slump loss, splashing, shrinkage, segregation, and stabilizing volume.

Advantage

• Increases bonding, flexural and compressive strengths
• Improves flowability, pumpability, placement, workability, and finishing
• Lowers water/cement ratios
• Can help accelerate finish time
• Enhances air entrainment up to 2%
• Stabilizes volume
• Enhances color in colored concrete

Description

DarNlok 485 is a mid range water reducing, normal set admixture for concrete.  DNL 485 has various uses for all types of mixers because of its rapid integrating characteristics and the ability to be used in pre-cast, ready mix, or in on board admix tank    systems.  DNL 485 decreases water-cement ratios while increasing the quality of the cement; improving slump loss, splashing, shrinkage, segregation, and stabilizing volume. 

Advantage

• Increases bonding, flexural and compressive strengths
• Improves flowability, pumpability, placement, workability, and finishing
• Lowers water/cement ratios
• Can help accelerate finish time
• Enhances air entrainment up to 2%
• Stabilizes volume
• Enhances color in colored concrete

Description

DarCole Water Reducer 385 is a mid range water reducing, normal set admixture for concrete.  DWR 385 increases the cohesive properties of Portland     cement, which enables the cement particles to   hydrate more thoroughly in hardened concrete.  This chemical reaction utilizing DWR 385 decreases water-cement ratios while increasing the quality of the cement; improving strength, finishing, durability, and appearance.

Advantage

• Increases bonding, flexural and compressive strengths
• Improves flowability, pumpability, placement, workability, and finishing
• Lowers water/cement ratios
• Reduces surface bleeding, shrinkage, and cracking
• Can help accelerate finish time
• Increases durability against freeze/thaw cycles

Description

DarCole Hydration Stabilizer is a liquid admixture solution designed to control the hydration process of Portland cement. DHS coats the hydrating cement particles resulting in the suspension of the hydration chemical reaction. By suspending the hydration, DHS maintains the plasticity, slump, temperature, and delays the set time of concrete. Normal hydration continues once the DarCole Hydration Stabilizer is chemically consumed.

Advantage

• Concrete will produce normal setting characteristics and improved ultimate compressive strength over conventional concrete
• Can extend the work life while placing concrete
• Can be used for extended haul times without slump loss
• Can help mitigate false setting concrete
• Extends truck discharge window
• Limits peak temperature rise

Description

DarNlok 785 Retarder is a water reducing concrete admixture originally developed specifically for on-site continuous type mixers.  DNL 785R has various   uses for all types of mixers because of its rapid  integrating characteristics and the ability to be used directly in the water supply system or in on board admix tank systems.  DNL 785R decreases water-cement ratios while increasing the quality of the cement; improving slump loss, splashing, shrinkage, segregation, and stabilizing volume.

Advantage

• Increases bonding, flexural and compressive strengths
• Improves flowability, pumpability, placement, workability, and finishing
• Lowers water/cement ratios
• Can help accelerate finish time
• Enhances air entrainment up to 2%
• Stabilizes volume
• Beneficial when slight concrete retardation is necessary
• Enhances color in colored concrete

Description

DarCole Water Reducer 385 Retarder is a mid range water reducing, set retarding admixture for concrete.  DWR 385R increases the cohesive properties of Portland cement, which enables the cement particles to hydrate more thoroughly in hardened concrete.  This chemical reaction utilizing DWR 385R decreases water-cement ratios while increasing the quality of the cement; improving strength, finishing, durability, and appearance. 

Advantage

• Increases bonding, flexural and compressive strengths
• Improves flowability, pumpability, placement, workability, and finishing
• Lowers water/cement ratios
• Reduces surface bleeding, shrinkage, and cracking
• Increases durability against freeze/thaw cycles
• Provides control over set time based on dosage rates

Description

DarCole Shotcrete 412 is a mid range water reducing, accelerating admixture for concrete. DSC 412 has various uses for all types of mixers because of its rapid integrating characteristics and the ability to be used ready mix or in on board    admix tank systems.  DSC 412 decreases water-cement ratios while increasing the quality of the cement, and aids in bonding the mix to steel/reinforcements.  DSC 412 allows for faster erection of the walls, improved cut time, and performs efficiently in common walls, corners, and inverted areas. 

Advantage

• Increases bonding, flexural and compressive strength
• Provides easier workability, placement, and  finishing of concrete
• Enhances air entrainment by up to 2%
• Stabilizes volume, and accelerates finish time
• Allows for faster erection of walls and improved cut times
• Enhances color in colored concrete

Description

DarCole Corrosion Inhibiter is a calcium nitrite liquid corrosion inhibiting, non chloride accelerating admixture for concrete containing steel reinforcement.  DCI chemically retards the onset of corrosion actions of chlorides on reinforcing steel materials and will increase a structures service years.  DCI has a minimum nitrite content of 30%.

Advantage

• Provides effective corrosion protection to reinforcing steel in concrete
• Extends service years of reinforced concrete
• Offsets corrosive effects of concrete ingredients that have exceeded normal chloride limits
• Can be used in bridge decks, parking garages, slabs, and other reinforced concrete requiring corrosion resistance
• Increases protection from de-icing salts and other chloride exposure
• Aids to prevent concrete from freezing at higher dosage rates

Description

DarCole Integral Water-Proofer is a polymeric liquid water repelling admixture for concrete that exhibits superior performance compared to other conventional water repellants.  DIW provides long lasting resistance to water penetration by reacting to form an effective water resistant network throughout the concrete mix.

Advantage

• Less maintenance and moisture damage due to permanent water repellency
• Controls & reduces efflorescence
• Reduces mold & mildew growth
• Reduces coats of paint required
• Enhances color of colored concrete

Description

DarNdry-cast 814 is a mid range water reducing   admixture that improves the quality of dry cast  concrete.  DND 814 performs especially well in hollow core precast or prestressed concrete by  reducing water-cement ratio, eliminating sag, stopping strand slippage, and improved set times.  DND 814 can be successfully used in wet cast and shotcrete as well.

Advantage

• Increases bonding, flexural and compressive strength
• Provides easier workability, placement, and finishing of concrete
• Ideal for use in dry cast and wet cast concrete
• Enhances air entrainment by up to 2%
• Stabilizes volume, and accelerates finish time
• Allows for faster erection of walls and improved cut times
• Enhances color in colored concrete

Description

DarCole Strength Enhancer 731 is a multi component, chloride free, strength enhancing admixture for concrete.  DSE 731 promotes higher early and ultimate strengths at all ages, especially where much higher strengths are needed within a 24 hour period.  DSE 731 can be used year round, even in warmer climates, where accelerated set times are less desirable.

Advantage

• Provides higher early & ultimate strengths with no negative effects of mix properties
• Improves overall strength at all ages by increasing the rate at which heat is generated during hydration
• Safe for use in all steel reinforced concrete
• Earlier use of structural concrete
• Faster form stripping
• Improves plasticity and cohesiveness
• High strength mix requirements within 24 hours

Description

DarCole Alkali Silica Reactivity (ASR) Prevent is a lithium nitrate liquid concrete admixture that chemically mitigates ASR expansion.  DPI ASR will     extend the service life of hardened concrete.  Alkali Silica Reactivity is a chemical reaction that can  occur in concrete between the alkali in cement and the silica in aggregates.  This reaction creates a gel that absorbs water into the pore solution, which expands causing concrete to crack. 

Advantage

• Improved durability & extended service life
• Provides ASR protection to the concrete from alkalis
• No adverse effects on plastic or hardened concrete
• Contains a minimum of 30% lithium nitrate by mass

Description

DarCole Shrinkage Reducing Admixture is a liquid concrete admixture that can be used in any type Portland cement to greatly reduce drying shrinkage.  DPI SRA performs by blocking capillaries of pore water, which is the leading cause of  drying shrinkage.   

Advantage

• Can eliminate cracking due to drying shrinkage
• Reduces potential of cracking while improving aesthetics
• Can be used in air entrained concrete
• Increases water tightness of the mix
• Improved durability of hardened concrete
• Reduced creep & curling of slabs
• Can reduce 28 day shrinkage by up to 80%
• Compressive strength may be reduced by up to 10% but may be offset by use of water reducing admixtures

Description

DarCole Anti-Washout 661 is a liquid, water soluble polymer that can prevent the washout of finer particles in plastic concrete by substantially increasing the cohesiveness and viscosity of the concrete mix in underwater concrete placement.

Advantage

• Eliminates the washout and mass loss of fine particles in plastic concrete
• Drastically increases cohesiveness of concrete mix consistency
• Helps eliminate concrete bleed water
• Maintains normal setting characteristics through most of the dosage ranges
• Maintains the same water demand to promote higher strengths
• Can be added on site or at the batch plant after all other ingredients have been introduced into the mix
• The costs associated with dewatering can be reduced or eliminated
• Water reducing admixtures such as DWR 385, or DSF 1443 should also be incorporated into all mixes containing DAW 661

Description

DarCole Integral Shield is a multi-component, liquid water repelling admixture for concrete that exhibits superior water shielding performance compared to other conventional water repellents. DIS provides long lasting resistance to water penetration by re acting to form an effective water resistant network throughout the concrete mix.

Advantage

• Less maintenance and moisture damage due to permanent water repellency
• Controls & reduces efflorescence
• Helps improve resistance to deicing chemicals
• Reduces mold & mildew growth
• Reduces coats of paint required
• Can be used in precast or decorative concrete
• Enhances color of colored concrete
• Works best with mix design strengths above 4500 psi