PDS Sika® ViscoCrete® GL 3070
PDS Sika® ViscoCrete® GL 3070
Product Data Sheet (PDS)
Sika® ViscoCrete® GL 3070 is an innovative latest generation superplasticizers based on polycarboxylic ether (PCE) polymers and is specially engineered for ready-mix and precast concrete to achieve extended workability retention without affecting the early strength of the concrete. Suitable for use in hot and tropical climatic conditions. Sika® ViscoCrete® GL 3070 is differentiated from conventional superplasticizer, such as those based on sulphonated naphthalene formaldehyde condensate. Sika® ViscoCrete® GL 3070 is based on unique carboxylic ether polymers with long lateral chains. This greatly improves cement dispersion. At the start of the mixing process the same electrostatic dispersion occurs but the presence of the lateral chains, linked to the polymer backbone, generate a steric hindrance which stabilises the cement particles capacity to separate and disperse. This mechanism provides flowable concrete with greatly reduced water demand. Suitable for use in hot and tropical climatic conditions.
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Sika® ViscoCrete® GL 3070

(former MGlenium 3070)

POLYCARBOXYLIC ETHER BASED SUPERPLASTICIZER FOR THE PRODUCTION OF HIGH QUALITY READY-MIX AND PRECAST CONCRETE

Sika® ViscoCrete® GL 3070 is an innovative latest generation superplasticizers based on polycarboxylic ether (PCE) polymers and is specially engineered for ready-mix and precast concrete to achieve extended  workability retention without affecting the early  strength of the concrete. Suitable for use in hot and tropical climatic conditions.  Sika® ViscoCrete® GL 3070 is differentiated from conventional superplasticizer, such as those based on sulphonated naphthalene formaldehyde condensate. Sika® ViscoCrete® GL 3070 is based on unique carboxylic ether polymers with long lateral chains. This greatly improves cement dispersion. At the start of the mixing process the same  electrostatic dispersion occurs but the presence of the lateral chains, linked to the polymer backbone, generate a steric hindrance which stabilises the cement particles capacity to separate and disperse. This mechanism provides flowable concrete with greatly reduced water demand. Suitable for use in hot and tropical climatic conditions.

Sika® ViscoCrete® GL 3070 provides the following beneficial properties:
  • Substantial improvement in workability without increased water
  • Low risk of segregation
  • Normal set without retardation (within the dosage limit)
  • Improved density and surface finish
  • Improved water tightness
  • Excellent solution for continuous concrete casting of deep elements
  • Production of a concrete with low water cement ratio, without the loss of workability
  • Easier placing and faster strength development
  • Does not contain chlorides or other steel corrosion promoting ingredients
  • Single product for many application needs
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PDS Sika® ViscoCrete® GL 3070
PDS Sika® ViscoCrete® GL 3070
Product Data Sheet (PDS)
Sika® ViscoCrete® GL 3070 is an innovative latest generation superplasticizers based on polycarboxylic ether (PCE) polymers and is specially engineered for ready-mix and precast concrete to achieve extended workability retention without affecting the early strength of the concrete. Suitable for use in hot and tropical climatic conditions. Sika® ViscoCrete® GL 3070 is differentiated from conventional superplasticizer, such as those based on sulphonated naphthalene formaldehyde condensate. Sika® ViscoCrete® GL 3070 is based on unique carboxylic ether polymers with long lateral chains. This greatly improves cement dispersion. At the start of the mixing process the same electrostatic dispersion occurs but the presence of the lateral chains, linked to the polymer backbone, generate a steric hindrance which stabilises the cement particles capacity to separate and disperse. This mechanism provides flowable concrete with greatly reduced water demand. Suitable for use in hot and tropical climatic conditions.
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Usage

Sika® ViscoCrete® GL 3070 is used the production of high-quality ready-mix and precast concrete where high workability retention with high early strength is required. Uses include, but are not limited to:
  • High flow concrete
  • Concrete with high water reduction
  • Foundations
  • Slabs and Walls
  • Columns and piers
  • Piles
  • Bridges and cantilever structures
 

Advantages

Sika® ViscoCrete® GL 3070 provides the following beneficial properties:
  • Substantial improvement in workability without increased water
  • Low risk of segregation
  • Normal set without retardation (within the dosage limit)
  • Improved density and surface finish
  • Improved water tightness
  • Excellent solution for continuous concrete casting of deep elements
  • Production of a concrete with low water cement ratio, without the loss of workability
  • Easier placing and faster strength development
  • Does not contain chlorides or other steel corrosion promoting ingredients
  • Single product for many application needs

Packaging

210 L drum, 1000 L flowbin or bulk supply in tanker

Colour

Colorless to brown liquid

Product Details

Sustainability / Certifications / Approvals

CERTIFICATES AND TEST REPORTS

Sika® ViscoCrete® GL 3070 follows the requirements of ASTM C494; Type A&F and BS EN 934-2

 
Product Information

Composition

Aqueous solution of modified polycarboxylates, co-polymers

Shelf life

12 months from date of production when stored properly

Storage conditions

Store in undamaged, unopened, original sealed packaging in dry conditions at temperatures between +5°C and +45°C. Protect from direct sunlight. Mix well before use.

Density

~1.05 kg/l (+25°C)

pH-Value

4.5 - 7.5

Total chloride ion content

Nil                                                                                                        (BS EN 934-2)
Technical Information

Concreting guidance

The standard rules of good concreting practice for production and placing must be observed when using Sika® ViscoCrete® GL 3070 in concrete. 

Refer to relevant standards. Fresh concrete must be cured properly especially at high temperatures in order to prevent plastic and drying shrinkage. Use Sika® Antisol® products as a curing agent or apply wet hessian.

Application

Application Information

Compatibility

Sika® ViscoCrete® GL 3070 is suitable for mixes containing all types of cementand supplementary cementitious materials such as: Microsilica (Silica Fume), Fly Ash (PFA), GGBS (Ground Granulated Blast Furnace Slag) and the following Sika products:
▪ SikaPump®
▪ Sika® FerroGard®
▪ SikaFume®
▪ SikaFiber®
▪ Sika® Aer
▪ Sika® Stabilizer
▪ SikaControl®
We recommend to perform trial mixes to establish the required performance when combining Sika® ViscoCrete® GL 3070 with the above products or other admixtures. Please consult our Sika Technical Department for further assistance.

Dispensing

Sika® ViscoCrete® GL 3070 is a ready-to-use admixture to be added to the concrete as a separate component. Optimal result is obtained if Sika® ViscoCrete® GL 3070 is poured into the concrete mix right after the addition of the first 80 % of the mixing water, i.e. when all solids are wetted. Avoid adding the admixture to the dry aggregates.

 
Consumption

Recommended dosage

0.2 to 1.0 L per 100 kg of total binder. Trial mixes must be performed to establish the exact dosage rate required.

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