JBS Hyperplast-G

"Empowering High-Performance Concrete with Advanced Superplasticisers."

SUPERPLASTICISER FOR HIGH PERFORMANCE CONCRETE BASED ON POLY-CARBOXYLIC ETHER

JBS HYPERPLAST-G is an advanced superplasticising admixture designed for high-performance concrete applications. It provides exceptional durability, workability, and performance, making it ideal for demanding construction environments.

Areas of Application

High-strength concrete.
High-performance concrete.
Self-compacting concrete.
Pumped concrete.

Primary Benefits

Excellent dispersion: Achieves high workability.
Enhanced strength: Increases early and ultimate strengths.
Improved flexural properties: Boosts flexural strength and E-modulus.
Ease of placement: Ideal for use in congested reinforcement zones.
Labour efficiency: Reduces labour requirements.
Durability and impermeability: Enhances concrete lifespan.
Surface quality: Improves surface finish.
Compatibility: Works seamlessly with viscosity-modifying admixtures for self-compacting concrete.

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Application

Add 70-80% of the water required (based on the mix design) by weight.
Measure the correct dosage of JBS HYPERPLAST-G using a recommended dispenser.
Add the admixture with the remaining mixing water to the concrete.
Mix thoroughly for a minimum of 60 seconds in forced-action mixers.

Note: Do not add JBS HYPERPLAST-G directly to dry mixes or cement.

Dosage

Recommended range: 0.5–2.0 kg per 100 kg of cement.
Optimum dosage should be determined through trial mixes.
Consult JBS Carbon And Chemicals LLP Technical Staff for specific recommendations.

Superior Workability
Enhances concrete flow and placement, even in congested reinforcement areas.
Strength Enhancement
Boosts both early and ultimate strengths, including flexural strength and E-modulus.

Mechanism of Action

Conventional superplasticisers, such as those based on Sulphonated Naphthalene or Melamine Formaldehyde Condensates, function by interacting with cement particles at the very early stages of the hydration process.

Absorption:
Upon mixing, these superplasticisers are absorbed onto the surface of cement particles.
Electrostatic Repulsion:
- The sulphonic groups present in the polymer chains enhance the negative charges on the cement particle surfaces.
- This increase in negative charge leads to electrostatic repulsion between cement particles.
Dispersion:
The repulsion prevents agglomeration of cement particles, ensuring better dispersion throughout the mix. This improves the flowability and workability of the concrete, even at lower water-cement ratios.

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