Technical Principle
The main chains of the high performance polycarboxylate water reducing agent molecular are absorbed onto the surface of the cement granules, which can effectively hinder the hydration, enhance fluidity retention ability, the branch chains surrounded by the cement granules, play dual roles of steric hindrance and electrostatic repulsion, it is totally different from conventional water reducing agents, so the high performance polycarboxylate water reducing agent has better dispersion and water reducing effect.
Advantages
1. Polycarboxylate ether superplasticizer powder with solid content: 97% min.
2. With a good slump retention ability, enhance cohesion, without concrete segregation.
3. With a good dispersion, an excellent adaptability to different cements, and good water-reducing properties.
4. Having a thermostability to 50℃ (fifty degree celsius centigrade).
Quality Spectification
| Item | Unit | Standard |
| Appearance | / | White or light yellow powder |
| Bulk Density | kg/m3 | 500±50 |
| pH (23℃) | / | 8.0±1.0 |
| Solid Content | % | 97.0±1.0 |
| Moisture content | % | ≤3.0 |
| Water Reducing Ratio | % | ≥25 |
| Cl- | % | ≤0.02 |
| Alkali content | % | ≤0.3 |
Application
1.It is applicable to various ready mix concrete and especially dry mix mortar.
2. It is specially used for both gypsum based and cement based dry mix mortar.
3. It is especially for cementitious self-levelling underlayments (SLU), plaster and masonry, non-shrink grouts, pressed cement slurry, self-leveling floor screeds, waterproofing mortar, repair mortars, injection mortars, dry mix concrete, tiles adhesives and joint fillers.
Usages and cautions
1. A recommended dosage is 0.1%-0.5% by the weight of cementitious materials. Optimized dosages should be determined by mixture design test.
2. Tests must be carried out before utilization.
3. This product is forbidden to be mixed with naphthalene sulphonate.
4. Compatibility test must be done when it is used together with other admixtures.
Shelf time: 0℃-40℃, the shelf life is 12 months in the original package. It should be used within 60 days in case of opening the original package.
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