Product Data Sheet Show all documents

Sika ViscoFlow®-615 KE

Water Reducing and Slump Enhancing Superplasticizer

Sika ViscoFlow® -615 KE is a high range water reducer and a workability enhancing superplasticizer for concrete based on Sika’s PCE technology. Sika ViscoFlow®-615 KE extends the workability time depending on dosage.

Sika ViscoFlow® -615 KE works based on a combination of electrostatic adsorption and steric repulsion effects. Thus, solid particles can be effectively dispersed and a high level of fluidity can be reached with less
water. As a result, Sika ViscoFlow® -615 KE:
  • Provides higher workability time and stability than conventional dispersants.
  • Keeps workability for extended time
  • Slump retention without additional retardation and subsequent fast strength development
  • Constant slump flow and smoothness of the concrete over hours
  • Extremely powerful water reduction (thereby creating high concrete density and high strengths)
  • Controlled retarding properties
  • Excellent plasticising effects, resulting in improved flow, placing and compaction characteristics
  • Greatly improved water tightness
  • Reduced creeps and shrinkage
  • Reduced carbonation rate of the concrete
Sika ViscoFlow® -615 KE does not contain chlorides or any other materials which promote the corrosion of steel reinforcement. It is therefore suitable for reinforced and pre-stressed concrete.
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Product Data Sheet Show all documents

Usage

Sika ViscoFlow® -615 KE is especially suitable for concrete mixes with extended workability requirements
as well as improved flow characteristics. Sika ViscoFlow® -615 KE is mainly used for the following applications:
  • Concrete with highest possible water reduction up to 30 %
  • High strength concrete applications
  • Hot weather concreting and concrete with extended transportation and workability time. Up to 4hours workability time possible
  • Concrete produced with very reactive cements

Advantages

Sika ViscoFlow® -615 KE works based on a combination of electrostatic adsorption and steric repulsion effects. Thus, solid particles can be effectively dispersed and a high level of fluidity can be reached with less
water. As a result, Sika ViscoFlow® -615 KE:
  • Provides higher workability time and stability than conventional dispersants.
  • Keeps workability for extended time
  • Slump retention without additional retardation and subsequent fast strength development
  • Constant slump flow and smoothness of the concrete over hours
  • Extremely powerful water reduction (thereby creating high concrete density and high strengths)
  • Controlled retarding properties
  • Excellent plasticising effects, resulting in improved flow, placing and compaction characteristics
  • Greatly improved water tightness
  • Reduced creeps and shrinkage
  • Reduced carbonation rate of the concrete
Sika ViscoFlow® -615 KE does not contain chlorides or any other materials which promote the corrosion of steel reinforcement. It is therefore suitable for reinforced and pre-stressed concrete.

Packaging

25 L Jerrycan
200 L Barrel
1000 L IBC
Tanker or bulk supply in tanker trucks is possible on request.

Colour

Yellowish/Light Brown Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / CERTIFICATES

Conforms to the requirements of EN 934 – 2, Table 10.
Product Information

Composition

Modified polycarboxylate in water

Shelf life

12 months minimum if stored properly in original unopened packaging

Storage conditions

In a dry area between 5ºC and 35ºC. Protect from direct sunlight, frost and contamination

Density

1.10 kg/l (at 20oC) ± 0.05

pH-Value

5.0 ±1.0

Conventional dry material content

32.00 ± 2.0 %

Total chloride ion content

Nil
Technical Information

Concreting guidance

The standard rules of good concreting practice (production as well as placing) must be observed when using SikaViscoFlow® -615 KE concrete. Refer to relevant standards.

Application

Application Information

Compatibility

Sika ViscoFlow® -615 KE may be combined with many other Sika Products. Important: Always conduct trials before combining products in specific mixes and contact our Technical Service Department for information and advice about any specific combinations. Please consult our Technical Services Department for information with regards to any special usage.

Dispensing

Sika ViscoFlow® -615 KE is added to the gauging water prior to its addition to the dry mix. Allow enough time for the concrete to mix thoroughly.
Consumption

Recommended dosage

0.2 - 2.0 % by weight of cement (binder)

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