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Sika ViscoCrete Duo MZ-1, Combined Superplasticiser / Viscosity Modifying Admixture for Precast Concrete

Sika ViscoCrete Duo MZ-1, Combined Superplasticiser / Viscosity Modifying Admixture for Precast Concrete

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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 200 L
Colour Clear / straw coloured liquid
Storage Conditions Dry conditions at temperatures between +5°C and +25°C. Protect from direct sunlight and frost (freezing point +1°C).
Density 1.06 kg/l (@ +20°C)
pH-Value 5.0 +/- 1.0

Combined Superplasticiser / Viscosity Modifying Admixture for Precast Concrete Production

Sika® ViscoCrete® Duo MZ-1 is a liquid high performance superplasticiser and viscosity modifying admixture providing improved rheology and robustness to high workability concretes. Sika® ViscoCrete® Duo MZ-1 is based on polycarboxylate polymers.

  • High-range water reductions resulting in higher strengths and densities
  • Improved cohesion properties in highly fluid concrete or SCC
  • Improved durability
  • Improved early and ultimate strengths
  • Optimal rheology properties for SCC production
  • Reduced segregation and bleeding
  • Reduced drying shrinkage
  • Improved consistence retention
  • Improved surface finish
Usage
  • Sika® ViscoCrete® Duo MZ-1 is a unique product that is suitable for the production of precast concrete
  • High performance concrete
  • Self-compacting concrete
  • Concrete requiring high early strength
 
Advantages
  • High-range water reductions resulting in higher strengths and densities
  • Improved cohesion properties in highly fluid concrete or SCC
  • Improved durability
  • Improved early and ultimate strengths
  • Optimal rheology properties for SCC production
  • Reduced segregation and bleeding
  • Reduced drying shrinkage
  • Improved consistence retention
  • Improved surface finish
Packaging

20 litre drum, 1000 litre IBC
Colour

Clear / straw coloured liquid
Technical Information
Specific Advice

Air Entrainment: Negligible, normally minimal increase
Effect on Setting: Minimal effect
Effect of Overdosing: Increased workability and segregation
 
Application Information
Compatibility

Sika® ViscoCrete® Duo MZ-1 may be combined with many other Sika products.

Important: Always conduct trials before combining products in specific mixes and contact our Technical Service Department for information and advice about any specific combinations.
Dispensing

Sika® ViscoCrete® Duo MZ-1 is added to the gauging water or added with it into the concrete mixer.
To take advantage of the high water reduction, a wet mixing time, which is depending on the mixing conditions and mixer performance, of at least 60 seconds is recommended.
When added on site the truck 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.
Restrictions

When using Sika® ViscoCrete® Duo MZ-1 a suitable mix design has to be taken into account and local material sources shall be trialled.
Sika® ViscoCrete® Duo MZ-1 shall not be added to dry cement.
Excessive water addition or overdosing may cause bleeding or segregation.
Support from our Technical Service Department is recommended