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SikaPlast® GL 118 BH

(formerly MGlenium 118)                                                                                                                                                                                                                                                                                                        SUPERPLASTICIZING, WATER REDUCING AND RETARDING CONCRETE ADMIXTURE

SikaPlast® GL 118 BH is a polycarboxylate based superplasticizer developed particularly for use in ready mixed concrete to give extended slump retention and high strength development of normal grade concrete mixes. SikaPlast® GL 118 BH is suitable for use in concrete mixes incorporating pozzolanic materials such as GGBS, PFA and microsilica. Suitable for use in hot and tropical climatic conditions.

SikaPlast® GL 118 BH acts by surface adsorption on the cement particles producing steric hindrance as well as electrostatic repulsion between the binder particles which results in higher dispersion, flow and retention. SikaPlast® GL 118 BH 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 ▪ Does not contain chlorides or other steel corrosion promoting ingredients
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Usage

▪ Ready mixed concrete ▪ High flow concrete ▪ Concrete with high water reduction ▪ Slabs ▪ Foundations ▪ Walls ▪ Columns and piers ▪ Piles ▪ Pre-stressed concrete ▪ Bridges and cantilever structures  

Advantages

SikaPlast® GL 118 BH acts by surface adsorption on the cement particles producing steric hindrance as well as electrostatic repulsion between the binder particles which results in higher dispersion, flow and retention. SikaPlast® GL 118 BH 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 ▪ Does not contain chlorides or other steel corrosion promoting ingredients

Packaging

1000 L flowbin. Bulk supply in tanker trucks possible on request

Colour

Brown liquid

 

Product Details

Sustainability / Certifications / Approvals

CERTIFICATES AND TEST REPORTS

SikaPlast® GL 118 BH follows the requirements of ASTM C494; Type F & G and EN 934-2
Product Information

Composition

Aqueous solution of modified polycarboxylates, co-polymers

Shelf life

12 months from date of production if 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 and frost.

Density

~1.07 kg/l (+25 °C)

Total chloride ion content

Nil                                                                                                               (EN 934-2)
Technical Information

Concreting guidance

The standard rules of good concreting practice for production and placing must be observed when using SikaPlast® GL 118 BH 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

Dispensing

SikaPlast® GL 118 BH is added to the gauging water or simultaneously poured with it into the concrete mixer at the batching plant.
Do not add SikaPlast® GL 118 BH directly to the dry mix.
For optimum utilization of its high water reduction property we recommend thorough mixing at a minimal wet mixing time of 60 seconds.The addition of the remaining gauging water (to fine tune concrete consistency) may only be started after two-thirds of the wet mixing time to avoid surplus water in the concrete.

Compatibility

SikaPlast® GL 118 BH may be combined with all types of Portland cement (OPC and SRC), concretes containing pozzolanic materials such as; GGBS, PFA, micro-silica and the following Sika products:
SikaPump®, Sika® FerroGard®-901, SikaFume®, SikaFiber®, Sika Aer®, Sika®Stabilizer, Sika®-1 WT, Sika® WT-10
We recommend to perform trial mixes to establish the required performance when combining SikaPlast® GL 118 BH with the above products or other admixtures. Please consult our Sika Technical Department.
Consumption

Recommended dosage

0.8 - 2.5 % by weight of binder.
Higher dosages by weight of binder can be used depending on the mix design, raw materials, climatic conditions and concrete requirements.
Trial mixes must be performed to establish the exact dosage rate required.

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