High Performance Polycarboxylate Super Plasticizer with High Slump Retention And Water Reduction
XRT-SC Polycarboxylate superplasticizer is made of modified alkylene polyoxyethylene ether monomer, also known as six-carbon monomer. Widely used in the synthesis of high water reducing properties of XRT-SC is a new generation of modified polycarboxylic acid superplasticizer polyether independently developed and synthesized, through free radical polymerization with substances containing double bonds (such as acrylic acid, maleic anhydride, etc.) to produce Polycarboxylate superplasticizer.
XRT-SC Polycarboxylate superplasticizer (PCE) is made of modified alkylene polyoxyethylene ether monomer, also known as six-carbon monomer. Widely used in the synthesis of XRT-SC with high water-reducing properties is a new generation of modified polycarboxylic acid superplasticizer polyether, independently developed and synthesized via free-radical polymerization of substances containing double bonds (such as acrylic acid, maleic anhydride, etc.) to produce Polycarboxylate superplasticizer.
The polycarboxylate superplasticizer synthesized from a 6-carbon monomer exhibits good particle dispersion and excellent slump retention, good adaptability and durability, and environmental protection.
Why 6-Carbon PCE Has Excellent Compatibility?
◆ Optimized Molecular Structure
A longer main carbon chain and uniform side chains provide greater steric
hindrance. Stable adsorption on cement particles, avoiding flocculation,
false set, and fast slump loss.
◆ Wide Cement Adaptability
Moderate anion charge fits all common cement types, even low-grade ones
, generic cement. No incompatibility reaction, no sudden slump drop.
◆ High Tolerance to Poor Aggregates
Built-in anti-mud groups resist invalid adsorption from mud and silt. Perfect for manufactured sand, weathered sand, and poorly
graded stone.Stable workability without bleeding, segregation, or sticky base.
◆ Great for Low-Binder Mixes
Slow-release molecular design maintains lasting fluidity and slump retention. Works well in low-cement, low-cost concrete
formulas, with no dry or hard-to-pump mix.
◆ Good Compatibility with Other Admixtures
Stable chemical performance, compatible with retarder, air-entrainer, defoamer, antifreeze, and expansion agent.No flocculation,
no delamination, easy for batching plant compounding.
◆ Wide Temperature Adaptability
Heat and cold resistant structure.Low slump loss in high temperature and long-distance transport; no over-retarding in winter.
◆ Suitable for Special Concrete
Fully fits high-strength, pumped, self-leveling, self-compacting concrete, precast parts, and mortar flooring. No frequent dosage
adjustment needed.
Polycarboxylate Super plasticizer Data sheet
Test Items
Specification
Test Result
Judge
Uniformity Index
Alkali Content, %
≤10.0
1.1
Qualified
Chloride Content, %
≤0.200
0.005
Qualified
Na2SO4Content, %
≤10.0
0.04
Qualified
Water Reducing Rate, %
≥25
30
Qualified
Bleeding Rate, %
≤60
0
Qualified
Air Content, %
≤6.0
3.1
Qualified
Setting Time
Definitely, min
Ini
-90～+120
+85
Qualified
Fin
+50
Qualified
Slump loss (60min),mm
≤80
0
Qualified
Compressive
Strengh
Ratio %
1day
≥170
220
Qualified
3day
≥160
195
Qualified
7day
≥150
185
Qualified
28day
≥140
165
Qualified
Shrinkage(28day) %
≤110
—
—
Conclusion：Iterms tested meet with standard of GB8076-2008。
Remark： Dosage: 0.6%
6-Carbon PCE Superplasticizer Performance at Different Temperatures?
◆ Low Temperature 5℃～15℃
This 6-carbon PCE superplasticizer features high initial water reduction and fluidity. It avoids concrete stiffening, over-retarding,
false set, and sticky base. Stable workability keeps steady strength growth even with high-mud aggregates.
◆ Normal Temperature 15℃～28℃
As a low-slump-loss polycarboxylate ether, it delivers balanced water reduction and slump retention. Low time-dependent slump
loss, good wrapping, no segregation or bleeding.Fits ordinary cement and manufactured sand with almost no dosage adjustment.
◆ High Temperature 30℃～40℃
This high-temperature-resistant PCE admixture outperforms 4C/5C PCE in hot weather. It slows cement hydration, prevents early
setting, and surface crusting. Keeps good workability for long transport, no extra retarder needed.
◆ Extreme High Temperature Above 40℃
Maintains stable plasticizing performance far better than ordinary PCE. Only minor dosage tweak needed, effectively solves fast
ConclusionControlling bleeding in concrete made with polycarboxylate superplasticizer is a comprehensive process involving several factors. These include:※ Customized design of the polycarboxylate water reducers’s molecular structure※ Proper use of air-entraining agents and viscosity-modifying admix
At a GlanceDispersion effect: Anionic carboxylic groups adsorb onto positively charged cement particles, creating electrostatic repulsion that breaks down flocculated cement structures and releases entrapped mixing water.Lubricating effect: Extended hydrophilic polyoxyethylene side chains form a den
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Global ocean freight keeps rising, with South America routes hit hardest. Traditional liquid PCE superplasticizer only has 40‑50% solid content. Water fills much of the container space, driving up logistics costs and increasing the risk of performance degradation during long‑distance hot sea transport. This article covers three main PCE forms: liquid, powder, and flake, and highlights the merits of flake or powder PCE superplasticizer. Cost simulation based on a 40'GP container shows that high‑solid solid‑form PCE greatly reduces freight cost per ton of active substance. With stable performance, long shelf life, low storage requirements, and good compatibility with ready‑mix concrete and dry mortar, it is a preferred cost‑saving solution for concrete admixture importers and distributors amid surging ocean freight.
