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Sika Air Pak, Air Entraining Concrete Admixture, 60 x 0.25 kg

Sika Air Pak, Air Entraining Concrete Admixture, 60 x 0.25 kg

Additives
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging 60 x 0,25 kg water soluble bags
Colour Pale Grey Powder
Storage Conditions Store in dry conditions at temperatures between +5°C and +25°C. Protect from direct sunlight and frost.
Density 0.95 kg/L
pH-Value N/A

Air entraining concrete admixture

Sika® Air Pak is a powdered air entraining admixture which is formulated from synthetic surfactants. Sika® Air Pak is packaged in water soluble bags to enable ease of addition and handling.

  • Consistent bubble size and spacing
  • Increase in cohesion
  • Provides improved rheology
  • Less segregation and bleed
  • Packaged in water soluble bags for easy dispensing
Usage
Typical applications include:
  • Concrete requiring high resistance to freeze/thawing cycles
  • Concrete that will be exposed to tidal conditions, splash zones and de-icing salts
 
Advantages
Sika® Air Pak has the following characteristics:
  • Consistent bubble size and spacing
  • Increase in cohesion
  • Provides improved rheology
  • Less segregation and bleed
  • Packaged in water soluble bags for easy dispensing
Packaging

60 x 0.25 kg water soluble bags in sealed tub
Colour

Pale Grey Powder
Technical Information
Specific Advice

  • Sika® Air Pak is only suitable for use in concrete with <50mm slump, i.e. semi-dry/extruded concretes, subject to trials to ensure mixing efficacy.
  • Due to the significant number of constituent, mix design, manufacture and placing related factors outside Sika’s control, bubble spacing determination should be carried out by the concrete producer to ensure compliance with BS EN 934-2. Bubble spacing should be completed using the specific concrete constituents/admixture combinations.
  • Overdosing may cause an excessive increase in air-entrainment that will lower the compressive strength.
Application Information
Dispensing
  • Sika® Air Pak should not be added to the gauging water.
  • When added directly to a truck mixer, the mixer shall rotate its drums at maximum revolutions for at least 1 minute per m³ concrete and a minimum of 5 minutes to achieve a uniform mix.
Compatibility

Sika® Admixtures

  • Compatibility information available on request.

Trials are recommended before combining products in specific mixes. Please contact our Technical Service Department for information and advice about any specific combinations.