Product Data Sheet Show all documents

Sika® ViscoCrete®-5227 NS

High performance Superplasticizing Admixture

Sika® ViscoCrete®-5227 NS Imparts very high workability, improved workability retention and allows a large reduction in water content.

Sika® ViscoCrete®-5227 NS produces a more uniformly cohesive high quality free flowing concrete Sika® ViscoCrete®-5227 NS will result in the following advantages of concrete:
  • Improved dispersion properties
  • Very high water reduction
  • Improved strength and density
  • Improved durability
  • Improved cohesion properties
  • Improved rheology
  • Improved flowability
  • Reduced drying shrinkage
  • Improved workability retention
Product Data Sheet Show all documents

Usage

Sika® ViscoCrete®-5227 NS a superplasticizer for free flowing concrete in floors, slabs, foundations, slender components with dense re inforcement, walls and columns and other structural elements. Sika® ViscoCrete®-5227 NS is mainly used for the following types of concrete:        
  • High performance concrete
  • High strength concrete
  • Ready mixed concrete
  • Self compacting concrete
  • Pumped concrete
 

Advantages

Sika® ViscoCrete®-5227 NS produces a more uniformly cohesive high quality free flowing concrete Sika® ViscoCrete®-5227 NS will result in the following advantages of concrete:
  • Improved dispersion properties
  • Very high water reduction
  • Improved strength and density
  • Improved durability
  • Improved cohesion properties
  • Improved rheology
  • Improved flowability
  • Reduced drying shrinkage
  • Improved workability retention

Packaging

255 kg drums /Bulk supply

Colour

Brown Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

IS9103, ASTM C494
Product Information

Chemical Base

Aqueous solution of modified poly carboxylate

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

~1.12 at 25°C

pH-Value

≥ 6

 

Application

Application Information

Compatibility

Sika® ViscoCrete®-5227 NS may be combined with many other Sika® Products.

Compatible with all types of cement and cementious materials.

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

DISPENSING

Sika® ViscoCrete®-5227 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® ViscoCrete®-5227 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® ViscoCrete®-5227 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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