Product Data Sheet Show all documents

SikaPlast®-518 PK

Water Reducing Super-Plasticizer And Retarder

SikaPlast®-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 SikaPlast®-518 PK imparts excellent slump retention for prolong periods, with high ultimate strengths.

SikaPlast®-518 PK provides the following properties: As a Superplasticizer
  • 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 effects.
  • Improved surface finish.
  • Increased water tightness.
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Product Data Sheet Show all documents

Usage

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

Advantages

SikaPlast®-518 PK provides the following properties: As a Superplasticizer
  • 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 effects.
  • 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

SikaPlast®-518 PK complies with ASTM C-494 Type A, B, D 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

≥ 4

Total Chloride Ion Content

≤ 0.1 (EN 934-2)

Specific gravity

1.05 ± 0.02

Application

Application Information

Compatibility

SikaPlast®-518 PK may be combined with following 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

SikaPlast®-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.
Application steps

CLEANING OF TOOLS

Clean all equipment and tools with water

immediately after use.

 

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