Product Data Sheet Safety Data Sheet Show all documents
Sika® ViscoCrete®-5250

Sika® ViscoCrete®-5250

High range water reducing/super plasticising admixture

Sika® ViscoCrete®-5250 is a liquid admixture for concrete based on advanced polycaboxylate polymers. Sika® ViscoCrete®-5250 is designed as a high range water reducer or superplasticiser for concrete at a wide range of workabilities.

  • High range water reduction resulting in higher strengths and densities
  • Improved cohesion properties
  • Improved workability retention
  • Improved rheology
  • Improved durability
  • Reduced segregation and bleeding
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Product Data Sheet Safety Data Sheet Show all documents

Usage

  • Sika® ViscoCrete®-5250 is suitable for the production of ready mixed concrete
  • Applicable across broad range of consistence classes from S2 – SF3
  • High performance concrete  

Advantages

  • High range water reduction resulting in higher strengths and densities
  • Improved cohesion properties
  • Improved workability retention
  • Improved rheology
  • Improved durability
  • Reduced segregation and bleeding

Packaging

20 L drum & 1000 L IBC

Colour

Brown liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Conforms to the requirements of BS EN 934-2 Table 3.1 and 3.2
DoP 56947864, certified by Factory Production Control Body 1029 and provided with the CE mark
Product Information

Shelf Life

12 months from date of production if stored properly in undamaged containers.

Storage Conditions

Store in dry conditions at temperatures between +5°C and +25°C. Protect
from direct sunlight and frost.

Total Chloride Ion Content

<0.10 % w/w (chloride free) 

Equivalent Sodium Oxide

<1.0 % w/w (alkali content)

Specific gravity

1.08 kg/L

Application

Application Information

Compatibility

Sika® ViscoCrete®-5250 may be combined with many other Sika® products.

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

Dispensing

Sika® ViscoCrete®-5250 should be dispensed through suitable calibrated dosing equipment.

Sika® ViscoCrete®-5250 is added to the gauging water or added with it into the concrete mixer.
Consumption

Recommended Dosage

0.3-1.5 % by weight of cement.  Dosages outside this range should be verified by trials.

 
Application steps

MIXING

Sika® ViscoCrete®-5250 should not be added to dry cement.

APPLICATION

The standard rules of good concreting practice, concerning production and placing, are to be followed. Laboratory trials shall be carried out before concreting on site, especially when using a new mix design or producing new concrete components.

Fresh concrete must be cured properly and curing applied as soon as possible.

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