Product Data Sheet Show all documents

Sika ViscoFlow®-5263 NS

High Performance Workability Enhancing Superplasticizer

Sika ViscoFlow®-5263 NS A specially designed PCE based SuperPlasticizer to achieve a significantly enhanced slump flow retention without additional retardation.

Sika ViscoFlow®-5263 NS produces a more uniformly cohesive high quality free flowing concret Sika ViscoFlow®-5263 NS will result in the following advantages of concrete:
  • Improved dispersion properties
  • Keeps workability for extended time
  • Slump flow retention without additional retardation
  • Constant slump flow
  • Smooth concrete and concreting operations
  • Improved rheology
  • Improved strength development
  • Reduced drying shrinkage
  • Improved durability
Product Data Sheet Show all documents

Usage

Sika ViscoFlow®-5263 NS is especially suitable for concrete mixes with extended workability requirements as well as improved flow characteristics. Sika ViscoFlow®-5263 NS is mainly used for the following types of concrete:         
  • Any concrete hot/cold weather with extended transportation and workability time
  • Suitable for a wide range of applications with high or low W/C and /or high or low environment temperatures
  • Define the workability time based on project requirements without a negative effect on early strength development
 

Advantages

Sika ViscoFlow®-5263 NS produces a more uniformly cohesive high quality free flowing concret Sika ViscoFlow®-5263 NS will result in the following advantages of concrete:
  • Improved dispersion properties
  • Keeps workability for extended time
  • Slump flow retention without additional retardation
  • Constant slump flow
  • Smooth concrete and concreting operations
  • Improved rheology
  • Improved strength development
  • Reduced drying shrinkage
  • Improved durability

Packaging

255 kg drums /Bulk supply

Colour

Light Brown Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

IS 9103, ASTM C494
Product Information

Chemical Base

Light Brown Liquid

Shelf Life

12 months from date of production if stored properly in undamaged unopened, original sealed packaging.

Storage Conditions

Store in dry conditions at temperatures between +10°C and +40°C. Protect from direct sunlight and frost.

Density

~1.11 kg/l at 25°C

pH-Value

≥ 6

 

Application

Application Information

Compatibility

Sika ViscoFlow®-5263 NS may be combined with many other Sika® Products.

Compatible with all types of cement and cementitious materials.

Important: Always conduct trials before combining products in specific mixes and contact our Technical Service Department for information about specific combinations.

DISPENSING

Sika ViscoFlow®-5263 NS can be added into the mixing water or directly into the concrete mixer after 50 – 70% of the mixing water has been added.

The addition of Sika ViscoFlow®-5263 NS to dry aggregate or cement is not recommended.

To achieve optimum performance a minimum wet mixing time, which is depending on the mixing conditions and the mixer performance, of 60 seconds is recommended.
Consumption

Recommended Dosage

Optimum dosage of Sika ViscoFlow®-5263 NS should be determined by site trials.

Recommended dosage:  0.2 – 2.0% by weight of cementitious.

A higher dosage might be used if agreed by client or consultant.Stir well before use.

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