CONCRETE ADMIXTURES

KKS® ULTRAD 670

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DESCRIPTION
KKS® ULTRAD 670 is a superplasticizer admixture with set retarding effect for the production of high performance concrete.
KKS® ULTRAD 670 complies with ASTM C494 type D. 
ADVANTAGE
KKS® ULTRAD 670 combines all different impacts through absorbed process on the surface of fine particles and keep it apart from each other in cement hydration processing:
•    Substantial improvement in workability without increased water.
•    Allow substantial cement reduction compared to plain concrete.
•    Long lasting slump retention.
•    Easy pump, no water separation.
•    Faster evolution of early strength development.
•    Improved creep resistance and shrinkage resistance characteristics.
KKS® ULTRAD 670 is chloride free and other corrosive substances. Therefore it can be used in most of the reinforced and pre-stressed concrete structures.
USE
KKS® ULTRAD 670 is used especially for concrete that needs long lasting slump retention under hot climate condition e.g.:
•    Mass concrete pouring.
•    Precast concrete.
•    Transport concrete away.
•    Climbed pump concrete.
•    Structures such as foundations, floors, walls, beams, columns.
•    Slender components with dense reinforcement.
APPLICATION
DOSAGE
•    Dosage: 0.3 – 0.8 lit/ 100 kg of cement.
•    Typical dosage: 0.4 – 0.6 lit/ 100 kg of cement.
COMPATIBILITY
KKS® ULTRAD 670 is possible to combine with all KKS’s concrete admixture products, but it must be added separately to the mix. KKS® ULTRAD 670 is compatible with all Portland cement including sulfate resistant cement.
DISPENSING/ MIXING
KKS® ULTRAD 670 is added to the gauging water prior to its addition to the dry mix or added separately to the wetted concrete mix.
For optimum utilization of the ultra-high range water reducer we recommend a wet mixing time of 2-3 minutes.
When adding the balance of the batching water to adjust concrete consistency this should be done after a minimum of 2/3 of the wet mixing time to avoid surplus water in the concrete.
PLACING OF CONCRETE
With the use of KKS® ULTRAD 670, concrete of highest quality is being produced, it should be complied and applied with standard procedures, such as mixing, placing vibrating and curing must be respected and applied.
APPLICATION CONDITIONS/ LIMITATIONS
Overdosing will result in increased workability and setting time of the concrete; however, provided that curing is effective, ultimate concrete strength and properties will not be affected.
Use an appropriate concrete mixer and do not mix by hand. 
Trials mixes are recommended to establish exact dosage rates required to suit individual requirements. Please contact KKS Technical Department for further assistance.
CURING
Effective measures for concrete curing must be followed.
PRODUCT AND TECHNICAL DATA

Thành phần

Hỗn hợp phụ gia bê tông gốc hữu cơ

Dạng

Chất lỏng màu nâu

Đóng gói

200 lít hoặc 1000 lít/thùng

Khối lượng thể tích

1.110 – 1.140 kg/lít

STRORAGE / SHELF LIFE
KKS® ULTRAD 670 has to be stored in dry, cool, shaded place. If stored properly in unopened, original packaging, its shelf life is 12 months.
SAFETY INFORMATION
KKS® ULTRAD 670 contains non-hazardous substances to warn. Avoid direct contact with skin. When splashed in the eyes or on skin, wash immediately with plenty of water and seek medical advice if necessary. Product is non-toxic, non-flammable and non-hazardous in transportation. Disposal should be done according to local law. For more information, please refer to the latest Product Safety Data Sheet.  

 

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