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SikaViscoCrete-20HE

SikaViscoCrete-20HE - Concrete | MCT Chemicals
SikaViscoCrete-20HE
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SikaViscoCrete®-20 HE — High-Range Water Reducer / 3rd-Generation Superplasticizer.

SikaViscoCrete®-20 HE is a liquid admixture for concrete and mortar used as a high-range water reducer / superplasticizer. Working by electrostatic adsorption and steric repulsion, it disperses cement particles to give high fluidity with powerful water reduction (>20%), pronounced early strength development and reduced permeabil

SikaViscoCrete-20HE - Concrete | MCT Chemicals

SikaViscoCrete®-20 HE

High-Range Water Reducer / 3rd-Generation Superplasticizer

Category:Concrete
Brand:Sika
High Water ReductionPowerful water reduction for higher strength and density.
Extended Slump RetentionMaintains workability for longer, even in hot climates.
High Early StrengthSupports early strength development and economic stripping times.
Excellent FlowabilityImproves placing and compaction with reduced effort.
Pozzolan CompatibleSuitable for mixes with microsilica, GGBS and fly ash.
Economic StrippingEarly strength gives economic stripping times for precast.
Download SikaViscoCrete®-20 HE Technical Data Sheet (PDF)Request MSDS
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Key Benefits

  • High Water Reduction
  • Extended Slump Retention
  • High Early Strength
  • Excellent Flowability
  • Pozzolan Compatible
  • Economic Stripping
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SikaViscoCrete®-20 HE – High-Range Water Reducer / 3rd-Generation Superplasticizer

SikaViscoCrete®-20 HE is a liquid admixture for concrete and mortar used as a high-range water reducer / superplasticizer. Working by electrostatic adsorption and steric repulsion, it disperses cement particles to give high fluidity with powerful water reduction (>20%), pronounced early strength development and reduced permeability. Suitable for hot and tropical climates.

Recommended Uses

  • High-early-strength precast and in-situ concrete
  • Powerful water reduction for dense, durable concrete
  • High-flow and self-compacting concrete
  • Ready-mix and precast production

Technical Information

Verified performance data for SikaViscoCrete®-20 HE, taken directly from the Sika Pakistan Product Data Sheet.

Chemical Base
Aqueous solution of modified polycarboxylates
Packaging
1000 ltr IBC 200 ltr drum 20 ltr plastic can 05 ltr jerry can Bulk supply in tanker
Appearance / Colour
Light brownish liquid, clear to slightly cloudy
Shelf Life
12 months minimum from date of production 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
Total Chloride Ion Content
Nil (EN 934-2) Specific gravity 1.11 ± 0.03

Source: Sika Pakistan product page (pak.sika.com, SikaViscoCrete®-20 HE). Full numerical specifications: request the latest Sika Pakistan PDS.

Packaging & Storage

Packaging

Drums / bulk (refer to current packaging / price list)

Storage

Store in original, unopened, sealed packaging in dry, frost-free conditions. Protect from direct sunlight. Refer to the PDS for exact storage temperature and shelf life.

Application Guide (5 Easy Steps)

01
Trial Mixes

Establish the optimum dosage by trial mixes with the actual materials and conditions. Typical dosage ranges are given in the current Sika Pakistan PDS.

02
Dispensing

Add the admixture to the concrete together with the mixing water or into the wet concrete. Do not add to the dry aggregate/cement.

03
Mixing

Mix thoroughly to achieve uniform dispersion and full plasticising effect. Extended mixing improves the water-reduction and flow performance.

04
Placing

Place and compact the highly workable concrete using standard good practice. The improved flow reduces placing and compaction effort.

05
Curing

Cure the concrete properly, especially in hot conditions, using an approved Sika curing compound or moist curing.

Follow the official Sika Technical Data Sheet for full application details.

Frequently Asked Questions

What is SikaViscoCrete®-20 HE?

High-Range Water Reducer / 3rd-Generation Superplasticizer. It disperses cement particles to give high water reduction, flow and slump retention.

How is the dosage determined?

By trial mixes with the actual materials and site conditions; typical dosage ranges are in the current Sika Pakistan PDS.

Is it suitable for pozzolanic mixes?

Yes, it works well in mixes containing microsilica, GGBS and fly ash.

How is it added?

Added with the mixing water or into the wet concrete, not onto dry cement or aggregate.

Where are the full technical specifications?

Detailed dosage and density figures are in the current official Sika Pakistan Product Data Sheet, available on request.

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