Description
DUCONMIX WR SP 300: High-Range Water-Reducing & High Early Strength Hyperplasticizer
DUCONMIX WR SP 300 is a high-performance liquid hyperplasticizer formulated using next-generation polycarboxylic ether (PCE) technology. Specifically engineered to comply with strict ASTM C494 Type F standards, this advanced admixture is entirely free from traditional lignosulphonates, naphthalene salts, and melamine formaldehyde components, as verified by infrared spectroscopy (IR Spectra). It alters concrete rheology to achieve massive water reduction and rapid early strength gain, making it the definitive material solution for fast-track infrastructure projects, heavy commercial developments, and demanding structural applications across Bangladesh.
Core Technical Specifications
The strict physical and chemical parameters governing DUCONMIX WR SP 300 include:
- Material Base: Pure polycarboxylic ether polymer matrix engineered for targeted particle dispersion.
- Specific Gravity: Maintained at a uniform baseline of 1.09 at standard testing temperatures.
- Active Solids Content: Guaranteed to be a minimum of 34% by weight to ensure high chemical potency.
- Chemical Purity: Formulated without corrosive raw materials, protecting internal steel reinforcement from early degradation.
Key Performance Features
Integrating this high-range hyperplasticizer into fresh concrete yields immediate engineering modifications:
- Accelerated Setting: Drives rapid initial hydration to trigger early strength development, speeding up formwork turnaround.
- Optimized Water Reduction: Lowers total batch water demand drastically while preserving fluid mobility and preventing mix starvation.
- Enhanced Workability: Extends the open time of highly fluid mixes, easing placement into heavily reinforced, complex formwork.
- Mitigation of Shrinkage: Limits micro-fissure formation by minimizing plastic and drying shrinkage, protecting surface aesthetics.
Field-Proven Operational Benefits
Contractors and ready-mix operators leverage DUCONMIX WR SP 300 to solve critical project bottlenecks:
- Time Efficiency: Compresses overall construction schedules through accelerated strength milestones, lifting daily productivity.
- Cost Savings: Minimizes labor hours and optimizes cementitious material usage, lowering total in-place structural expenses.
- Consistent Quality Assurance: Relies on rigorous production controls, ensuring predictable batch behavior from the plant to the job site.
- Versatile Applications: Performs reliably across residential frameworks, heavy industrial bases, and major civil infrastructure works.
Job-Site Application & Mixing Instructions
DUCONMIX WR SP 300 is a ready-to-use liquid that must be distributed evenly through the batching system using standard automatic dispensers:
- Damp Addition Rule: Introduce the liquid agent directly into the wet mix after 50% to 70% of the total batch water has thoroughly wetted the aggregates.
- Dry Blend Restriction: Never add this hyperplasticizer directly to dry cement or un-wetted aggregate piles, as this deactivates the active polymers.
- Mixing Cycle Minimum: Run forced-action mechanical mixers for a minimum of 60 seconds after adding the liquid to secure a uniform dispersion.
Why Choose Ducon?
Ducon combines advanced chemical development with decades of field-tested engineering solutions:
- Advanced Technology: Sustained investment in polymer cement chemistry keeps our admixtures and cementitious waterproofing ranges at the leading edge of structural performance.
- Seven Years of Field Leadership: A deep understanding of local tropical environments allows us to design materials that tackle the specific challenges of roofs, deep foundations, and structural slabs.
- Rigorous Testing: From flexible flat roof coating systems to high-range superplasticizers, each product undergoes strict quality audits to outperform local build specifications.







