Polycarboxylate Superplasticizer Polyether
Polycarboxylate-based high-performance water reducers represent a new generation of high-performance water reducers that have emerged domestically and internationally in recent years. Compared with traditional high-efficiency water reducers such as naphthalene-based ones, polycarboxylate-based high-performance water reducers boast numerous unique technical performance advantages:
(1) Low dosage and high water reduction rate;
(2) Excellent retention of fluidity for concrete mixtures;
(3) Good compatibility with cement;
(4) The concrete prepared with them exhibits low shrinkage, which helps improve the volume stability and durability of concrete;
(5) They are environmentally friendly and pollution-free during production and use, falling into the category of green admixtures.
during the production processes of relevant enterprises.
Polycarboxylate Superplasticizer Polyether Main Performance:
1.Polycarboxylate Superplasticizer Polyether Apparent Properties:
| Index | Value |
|---|---|
| Density | 500±15 |
| Solid Content | 98±1% |
| pH Value | 6–7 |
| Chloride Ion | <0.1% |
| Total Alkali Content | <5% |
2. Paste Performance
| Powder Dosage (%) | Water Reduction Rate (%) |
|---|---|
| 0.14 | 18 |
| 0.18 | 23 |
| 0.20 | 29 |
| 0.22 | 32 |
| Powder Dosage (%) | Water Reduction Rate (%) |
|---|---|
| 0.14 | 18 |
| 0.18 | 23 |
| 0.20 | 29 |
| 0.22 | 32 |
(1) Excellent dispersibility and fluidity for cement even at low dosages;(2) Significant increase in paste fluidity when dosage ranges from 0.12% to 0.22%;(3) No fluidity loss of paste after 1 hour;(4) Fluidity is more than twice that of commercially available high-efficiency water reducers.
3. Mortar Performance
(1) Mortar water reduction rate corresponds to paste fluidity: higher paste fluidity leads to higher mortar water reduction rate;(2) Water reduction rate increases rapidly with dosage and remains at a high level; at the same dosage, it is approximately 35% higher than that of commercially available high-efficiency water reducers;(3) Concrete water reduction rate may differ from mortar water reduction rate due to the influence of admixtures and aggregate properties: if admixtures and aggregates enhance concrete fluidity, concrete water reduction rate will exceed that of mortar; otherwise, it will be lower;(4) Antifreeze performance at temperatures above -5℃, suitable for use as an antifreeze agent in concrete.
4. Polycarboxylate Superplasticizer Polyether Concrete Performance
(1) Concrete StrengthConcrete mix ratio (kg/m³):
| Group | Water | Cement | Sand | Stone |
|---|---|---|---|---|
| Reference | 200 | 330 | 712 | 1163 |
| With 0.16% powder water reducer | 138 | 327 | 734 | 1198 |
Compressive strength growth ratio (vs. reference) (%):
| Age | 1 day | 3 days | 7 days | 28 days | 90 days |
|---|---|---|---|---|---|
| Ratio | 220 | 190 | 170 | 170 | 170 |
(2) Polycarboxylic Acid Sodium Salt Other Concrete Properties
| Index | Value |
|---|---|
| Bleeding Rate Ratio | ≤85% |
| Shrinkage Rate Ratio | ≤75% |
| Initial Setting Time | +40 ~ 80 minutes |
| Final Setting Time | +0 ~ 10 minutes |
| Air Content | ≤3% |
Concrete mixed with powder water reducer has lower bleeding rate and shrinkage rate than the reference concrete; initial setting time is extended by approximately 60 minutes compared to the reference, while final setting time is nearly the same; air content is generally controlled at 2–4%.
Recommended Dosage:
Recommended dosage for concrete: 0.1~0.25% of cement dosage.The water reducer is a powder with polycarboxylate as the main component (solid content ~98%). The normal dosage is 0.12%–0.3%:
At a dosage of only 0.06%, it achieves a 12% water reduction rate and 23% strength growth, outperforming commercially available ordinary pumping agents;
At 0.1% dosage, its performance exceeds that of general naphthalene-based and melamine-based high-efficiency water reducers;
Below 0.14% dosage, the superiority in workability is not significant;
Above 0.20% dosage, concrete workability and pumpability reach an excellent level.
Optimal recommended dosage: 0.12–0.24%.For high-strength concrete, concrete with high-volume fly ash/slag powder, or concrete with special requirements, dosage can be increased to over 0.3% (but generally not exceeding 0.5%). Tests show that at 0.5% dosage, concrete does not experience cohesion loss or aggregate-paste segregation, water reduction rate continues to rise, but air content increases, setting is delayed, and strength decreases slightly.
Delivery Reliability & Operational Excellence
Key Features:
Strategic inventory hubs at Qingdao, Tianjin, and Longkou port warehouses with 1,000+
metric tons of stock available
68% of orders delivered within 15 days; urgent orders prioritized via express logistics
channel (30% acceleration)
2. Quality & Regulatory Compliance
Certifications:
Triple-certified under REACH, ISO 9001, and FMQS standards
Compliant with global hygiene regulations; 100% customs clearance success rate for
Russian imports
3. Transactional Security Framework
Payment Solutions:
Flexible terms: LC (sight/term), TT (20% advance + 80% upon shipment)
Specialized schemes: 90-day LC for South American markets; Middle East: 30%
deposit + BL payment
Dispute resolution: 72-hour response protocol for order-related conflicts
4. Agile Supply Chain Infrastructure
Multimodal Logistics Network:
Air freight: 3-day delivery for propionic acid shipments to Thailand
Rail transport: Dedicated calcium formate route to Russia via Eurasian corridors
ISO TANK solutions: Direct liquid chemical shipments (e.g., propionic acid to India)
Packaging Optimization:
Flexitank technology: 12% cost reduction for ethylene glycol (vs. traditional drum
packaging)
Construction-grade calcium formate/Sodium Hydrosulfide:Moisture-resistant 25kg woven PP bags
5. Risk Mitigation Protocols
End-to-End Visibility:
Real-time GPS tracking for container shipments
Third-party inspection services at destination ports (e.g., acetic acid shipments to South Africa)
After-Sales Assurance:
30-day quality guarantee with replacement/refund options
Complimentary temperature monitoring loggers for reefer container shipments.
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