Product Data Sheet Show all documents

Sikament®-518 PK

Multi Dosage High-Range Water Reducing Super-Plasticizer and Retarder

Sikament®-518 PK is used as a highly effective water-reducing agent and superplasticizer for the production of high quality, free flowing concrete in hot climates. The dual action of Sikament®-518 PK imparts excellent slump retention for prolong periods, with high ultimate strengths.

Sikament®-518 PK provides the following properties:
As a Superplastiziser
  • Substantial improvement in workability without          increased water or the risk of segregation.
  • Long-lasting control of slump.
  • No adverse effect on ultimate strengths.
As a Water Reducer
  • Early strengths significantly increased.
  • High ultimate strengths.
  • Up to 25% water reduction.
  • Especially suitable for hot climates.
  • No excessive air-entrainment.
  • No adverse shrinkage effect.
  • Improved surface finish.
  • increased water tightness.
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Product Data Sheet Show all documents

Usage

Sikament®-518 PK is used wherever high quality concrete is demanded under difficult placing and climatic conditions.  

Advantages

Sikament®-518 PK provides the following properties:
As a Superplastiziser
  • Substantial improvement in workability without          increased water or the risk of segregation.
  • Long-lasting control of slump.
  • No adverse effect on ultimate strengths.
As a Water Reducer
  • Early strengths significantly increased.
  • High ultimate strengths.
  • Up to 25% water reduction.
  • Especially suitable for hot climates.
  • No excessive air-entrainment.
  • No adverse shrinkage effect.
  • Improved surface finish.
  • increased water tightness.

Packaging

05 ltr jerry can

20 ltr plastic can

200 ltr drum

1000 ltr IBC

Bulk supply in tanker is possible on demand

Colour

Brown Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Sikament®-518 PK complies with ASTM C-494 Type G and EN 934-2 :2001
Product Information

Chemical Base

Organic polymer blend

Shelf Life

12 months minimum from production date if stored properly in original unopened 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% (EN934-2)

Specific gravity

1.19 ± 0.03

Application

Application Information

Compatibility

Sikament®-518 PK may be combined with the following Sika products:

  • SikaPump
  • Sika FerroGard-901
  • SikaFume

It is also compatible with sulphate resistant cement. Pre-trials are

recommended if combinations with the above products are being made.

Please consult our Technical Services Department.

Dispensing

Sikament®-518 PK can be added separately to the freshly mixed concrete or directly to the mixing water prior to its addition to the aggregates. When added separately to the freshly mixed concrete, further mixing should take place for at least one minute per cubic meter.
Consumption

Recommended Dosage

0.6 - 2.0% by weight of cement. It is advisable to carry out trial mixes to
establish the exact dosage rate required.

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