Product Data Sheet Show all documents

Sika® PerFin-2

Concrete surface enhancing admixture

Sika® PerFin-2 is a liquid concrete admixture for reducing entrained and entrapped air, resulting in improved concrete density and off-form finish.

With the application of Sika® PerFin-2, entrained or entrapped air is significantly reduced. Sika® PerFin-2 provides the following advantages:
  • improved concrete off-form finish
  • improved concrete density and durability
  • enhanced concrete smoothness
  • no negative effects on the fresh or hardened concrete properties
The performance of Sika® PerFin-2 is affected by concrete mix design, fresh concrete properties and mould release agent.  
Product Data Sheet Show all documents

Usage

Sika® PerFin-2 is used for the production of high quality fair faced and architectural concrete for all of the following:
  • structural concrete
  • precast concrete
  • concrete with high aesthetic demands
  • pre-stressed and post-tensioned concrete

Advantages

With the application of Sika® PerFin-2, entrained or entrapped air is significantly reduced. Sika® PerFin-2 provides the following advantages:
  • improved concrete off-form finish
  • improved concrete density and durability
  • enhanced concrete smoothness
  • no negative effects on the fresh or hardened concrete properties
The performance of Sika® PerFin-2 is affected by concrete mix design, fresh concrete properties and mould release agent.  

Packaging

1000 litre IBC

10 litre container

Colour

Colourless clear liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / CERTIFICATES

Sika® PerFin-2 meets the requirements of the standard AS1478.1:2000 , Special type neutral set (SN) .
Product Information

Shelf life

Stored at temperatures between 5°C  and 35°C  in   unopened original containers protected from direct sunlight and frost, shelf life is at least one (1) year.

If frozen and/or if precipitation of the product has occurred, Sika® PerFin-2 may be used after thawing slowly at room temperature and intensive mixing.

Storage conditions

Store at temperarature between 5° and 35° , protected from the direct sunlight.

Specific gravity

1.0 g/cm3

Application

Application Information

Dispensing

Sika® PerFin-2 is added to the gauging water. To achieve the optimum reduction of blowholes a minimum wet mixing time of 60 seconds per cubic metre is recommended.

Sika® PerFin-2 shall not be added to dry cement.
Consumption

Recommended dosage

Sika suggest a dose range of 500-2000 ml per cubic metre. Dose rate is dependent on many factors and should be determined by full scale trial mixes.

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