Product Data Sheet Show all documents

Sika® ViscoCrete® CR-141

Accelerating & superplasticising concrete admixture

Sika® ViscoCrete® CR-141 is a liquid admixture for concrete which is used as an accelerating, high range water reducer/superplasticiser.

  • High-range water reductions resulting in higher strengths and densities
  • Improved cohesion properties
  • Improved early and ultimate strengths
  • Improved rheology
  • Improved durability
  • Reduced segregation and bleeding
  • Reduced drying shrinkage
  • Reduced mix costs
  • Faster mould turnaround
  • Improved surface finish
Product Data Sheet Show all documents

Usage

Sika® ViscoCrete® CR-141 is a unique product that is suitable for the production of precast concrete.
  • Applications that require excellent workability and early strength development
  • Applications that require high quality concrete
  • High performance concrete
  • Self compacting concrete
 

Advantages

  • High-range water reductions resulting in higher strengths and densities
  • Improved cohesion properties
  • Improved early and ultimate strengths
  • Improved rheology
  • Improved durability
  • Reduced segregation and bleeding
  • Reduced drying shrinkage
  • Reduced mix costs
  • Faster mould turnaround
  • Improved surface finish

Packaging

1000 L IBC

Colour

Pale Brown Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Conforms to the requirements of BS EN 934-2 Tables 3.1 & 3.2
DoC 13894582, certified by Factory Production Control Body 0120 and provided with the UKCA mark
Product Information

Chemical Base

Modified polycarboxylate

Shelf Life

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

Storage Conditions

Dry conditions at temperatures between +5°C and +25°C. Protect from direct sunlight and frost (freezing point +1°C).

Specific gravity

1.07 kg/L

Total Chloride Ion Content

<0.10% w/w (chloride free)

Equivalent Sodium Oxide

<0.60 % w/w (alkali content)

 
Technical Information

Specific Advice

Air Entrainment: Negligible, normally a minimal increase
Effect on Setting: Reduction to normal setting time
Effect of Overdosing: Increased workability and segregation

Application

Application Information

Dispensing

Sika® ViscoCrete® CR141 should be dispensed through suitable calibrated dosing equipment.

Sika® ViscoCrete® CR141 should be added with the mixing water

Compatibility

Sika®Admixtures:

  • Compatibility information available on request

Cements:

  • All cement combination
Consumption

Recommended Dosage

0.3 -1.2% by weight of cement

Documents