The PC-826 Slump Retention Polycarboxylate Superplasticizer is redefining concrete performance for high-demand industries, offering exceptional slump retention, consistency, and reliability even under challenging placement conditions. As the construction sector pivots toward innovative admixtures for workability and sustainability, PC-826 stands out due to its meticulously engineered properties, rigorous international certifications, and remarkable adaptability across sectors such as petrochemical, metallurgy, municipal infrastructure, and large-scale engineering.
Discover detailed specifications for PC-826 Slump Retention Polycarboxylate SuperplasticizerIndustry Trends & Market Demand for High-Performance Polycarboxylate Superplasticizers
With the global superplasticizer market projected to grow at a CAGR of 7.8% (2023–2028, Source: MarketsAndMarkets), demand for advanced polycarboxylate-based products has soared. Recent studies in Construction and Building Materials journal emphasize the pivotal role of third-generation water reducers in pushing durable, eco-friendly concrete in urban infrastructure, energy plants, and high-rise constructions.
Industry drivers focus on workability retention, low dosage, chloride-free formulations and compliance with ISO 9001, EN 934-2, and ASTM C494 standards, all of which the PC-826 Slump Retention Polycarboxylate Superplasticizer strictly adheres to.
Technical Specifications: PC-826 Slump Retention Polycarboxylate Superplasticizer
The following table outlines key parameters of PC-826 Slump Retention Polycarboxylate Superplasticizer:
| Parameter | Value / Range | Test Standard | Industry Average |
|---|---|---|---|
| Physical Form | Powder | ISO 9001:2015 | Powder/Liquid |
| Color | White to Off-White | Visual | White |
| Water Reducing Rate | ≥28% | GB/T8077-2012 | 25–30% |
| Slump Retention (90min) | ≥210 mm | EN 12350-2 | 180–200 mm |
| Recommended Dosage | 0.12–0.24% by Cement Weight | Internal QC | 0.15–0.25% |
| Chloride Content | <0.1% | EN 934-2 | <0.2% |
| Compressive Strength (28d) | 44–52 MPa | ASTM C39 | 40–48 MPa |
| pH | 7.0–9.0 | GB/T8077-2012 | 6.5–9.5 |
| Air Entrainment | <2.8% | GB/T8074-2008 | 1.5–3% |
| Shelf Life | 12 months (sealed) | Internal QC | 6–12 months |
Manufacturing Process Flow of PC-826 Slump Retention Polycarboxylate Superplasticizer
- Raw Material Preparation: Selection of high-purity acrylic acid, PEG (Polyethylene glycol), initiators.
- Monomer Synthesis: Acrylic acid reacts with polyether monomers under controlled conditions, ensuring chain uniformity and optimal side chain density.
- Polymerization (CNC-Controlled Batch Reactor): Advanced CNC systems manage temperature gradients, initiator dosing, and reaction kinetics for batch-to-batch consistency.
- Spray Drying: Liquid polymer is atomized and rapidly dried to yield a free-flowing powder, minimizing agglomeration.
- Quality Control: ISO/EN/ASTM analytical testing (molecular weight, water-reducing efficiency, residual monomers), plus real-time online monitoring for batch traceability.
Complies with ISO 9001:2015 and EN 934-2 certification for quality and traceability.
Technical Advantages of PC-826 Slump Retention Polycarboxylate Superplasticizer
- Superior Workability Retention: Maintains high slump (≥210mm at 90min) – minimizes the need for re-dosing, especially in hot and dry climates or long-haul pours.
- High Water Reduction at Low Dosage: Achieves ≥28% water reduction, enabling lower w/c ratios, higher early strength, and reduced shrinkage and cracking.
- Chloride-Free & Low Alkali: Exceeds requirements for reinforced concrete (RC); suppresses corrosion risks, enhancing structure durability.
- Excellent Compatibility: Suitable for various cements (OPC, PCC, slag-blended), and mineral admixtures (fly ash, slag, silica fume).
- Consistent Performance Across Temperatures: Predictable action from -5°C to 40°C, supporting site logistics in diverse environments.
- Certified Safe & Environmentally Friendly: No formaldehyde, non-toxic, non-flammable, and meets green building material criteria.
Product Comparison: PC-826 vs. Other Polycarboxylate Superplasticizers
| Key Feature | PC-826 | PCE-A | PCE-B | Sulfonated Naphthalene (SNF) |
|---|---|---|---|---|
| Water Reduction (%) | ≥28 | 25 | 26 | 18 |
| Slump Retention (90min) | 210+ mm | 190 mm | 175 mm | Low |
| Dosage Required (% bwoc) | 0.12–0.24 | 0.14–0.28 | 0.16–0.32 | 0.5–1.5 |
| Cl⁻ Content | <0.1% | <0.2% | <0.15% | <0.5% |
| pH | 7.0–9.0 | 6.5–9.0 | 7–9 | 8–10 |
| Official Certification | ISO/EN/ASTM | ISO/EN | ISO | None |
| Residue/Environmental Risk | Non-toxic, Green | Low | Medium | High |
Tailored Solutions and Customization Capability
The PC-826 Slump Retention Polycarboxylate Superplasticizer is engineered for diverse project needs:
- Formulation Tuning: Molecular chain length and carboxyl density can be tailored for specific cement types, winter/summer conditions, or high-slag blends.
- Packaging Options: Supplied in 25kg/700kg/1200kg bags, with moisture-proof inner liners, customizable for OEM/private label.
- Project Consulting: Specialist technical team supports mix design, trial batching, lab tests for unique aggregate/cement sources.
- Logistical Flexibility: Fast-track production and delivery across EMEA, APAC, Americas, commonly 7–15 working days.
Real Application Scenarios: Case Studies & Customer Feedback
- Urban Transit Tunnel, Southeast Asia (2023): Use of PC-826 Slump Retention Polycarboxylate Superplasticizer resulted in extended workability (210mm at 100 min), cutting retempering by 56% and reducing surface defects, with compressive strength at 45.5 MPa/28d (ISO/EN lab report).
- Petrochemical Plant (EPC), North Africa (2022): Project engineers reported robust performance under 38°C, with the concrete reaching 92% of design strength at 7 days and zero corrosion issues after 18 months’ service.
- Municipal Water Plant (2024): Reduced mixer drum washouts by 37% due to low dosage and clean reactivity, meeting EN 934-2 and FDA indirect contact guidelines.
Client Feedback Highlights:
“PC-826 provided superior slump retention even during long pumping distances. Very pleased with the technical support and on-site troubleshooting.”
– Chief Engineer, KBR Engineering
“Compared to our previous polycarboxylate, PC-826 reduced admixture spillage and maintained set times with no early stiffening—great for our tropical climate civil works.”
– Project Manager, MetroBuild, Malaysia
Industry Certifications & Authority Validation
- ISO 9001:2015 Certified – Full traceability & batch tracking
- EN 934-2 Compliance – Performance for concrete admixtures (Europe, Middle East, Africa)
- ASTM C494 Type F/G – High-range and mid-range water reducer compliance (US, global)
- Authorized by Major Engineering Groups:
- State Grid Construction Division, China
- KBR, Petrofac, Sinopec
- Recognized supplier for multiple national water, railway, and high-rise development projects
- Product R&D since 2001 – 20+ years’ formulation experience, cited in technical conferences and trade journals
Expert FAQ on PC-826 Slump Retention Polycarboxylate Superplasticizer
Delivery, Warranty, and Support
- Lead Time: Standard shipment within 7–15 working days; expedited service available.
- Warranty: 12 months shelf life (sealed conditions). Unconditional replacement for verified manufacturing defects.
- Customer Support: 24/7 technical hotline, on-site engineer dispatch (for projects ≥3,000 tons), remote troubleshooting, data sheet and mix design consulting.
- Safety Data Sheet (SDS) and Certificates: Provided upon order; includes ISO/EN/ASTM compliance statements.
- Download Complete Product Data Sheet: PC-826 Slump Retention Polycarboxylate Superplasticizer - Full Specs
- “Recent Advances in Polycarboxylate Superplasticizers” – Construction and Building Materials, Elsevier: Link
- Markets and Markets: Superplasticizer Market Overview: Link
- “Influence of Polycarboxylate-based Admixtures on Concrete Performance” – PCI Journal: Link
- Official Product Data & Technical Guidance: PC-826 Slump Retention Polycarboxylate Superplasticizer
For in-depth discussion, please refer to technical FAQ forums on ACI (American Concrete Institute) and the TheConstructor.org.
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