Product Data Sheet Show all documents

Sikament® RB 830

High range, water reducing superplasticiser for rheoplastic concretes

Sikament® RB 830 is formulated from synthetic polymers specially designed to impart rheoplastic qualities to concrete.
A rheoplastic concrete is a fluid concrete with a slump of at least 200mm, easily flowing, but at the same time free from segregation and having the same water/cement ratio as that of a low slump concrete (25mm) without admixture. Sikament® RB 830 is chloride free.

  • Reduced thermal peaks
  • High workability for longer periods
  • Lower pumping pressure
  • Delayed setting with longer workability
  • Higher ultimate strengths.
  • Reduced permeability
  • Improved durability
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Product Data Sheet Show all documents

Usage

Sikament® RB 830 considerably improves the properties of fresh and hardened concrete.
  • Microsilica concrete
  • Mass concrete pours
  • Ready mixed concrete
  • Long-distance transport
  • Pumped concrete
  • Casting in hot climates
 

Advantages

  • Reduced thermal peaks
  • High workability for longer periods
  • Lower pumping pressure
  • Delayed setting with longer workability
  • Higher ultimate strengths.
  • Reduced permeability
  • Improved durability

Packaging

05 ltr jerry can
20 ltr plastic can
200 ltr drum
1000 ltr IBC
Bulk supply in tanker is possible on demand

Colour

Dark Brown Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • ASTM C-494 Type A, B,D,F & G
  • BS 5075 Part 1
Product Information

Shelf Life

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

Storage Conditions

The product must be stored properly in undamaged, unopened original sealed packaging in dry conditions at temperatures between +5° C and +35° C. Protect from direct sunlight and frost.

pH-Value

≥ 6

Total Chloride Ion Content

≤ 0.2% (EN 934-2)

Specific gravity

1.17 ± 0.03

Application

Application Information

Compatibility

Sikament® RB 830 is compatible with all cements and most air entraining agents meeting the ASTM standards. The addition of Sikament® RB 830 and MasterAir® 100 (air entraining agent) to concrete is recommended where it is required to withstand freezing and thawing cycles.
Consumption

Recommended Dosage

Optimum dosage of Sikament® RB 830 should be determined with trial mixes. As a guide, a dosage range of 600ml to 1200ml per 100kg of cementitious material is recommended as a starting point. Because of variations in concrete materials, job site conditions, and/or applications,dosages outside of the recommended range may be required.
Application steps

APPLICATION

Sikament® RB 830 is a ready-to-use liquid which is dispensed into the concrete together with the mixing water.
The plasticising effect and water reduction are higher if the admixture is added to the concrete after 50 to 70% of the mixing water has been added. The addition of Sikament® RB 830 to dry aggregate or cement is not recommended. Automatic dispensers are available.

 

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