STR-209
Description It is polycarboxylate based high performance water reduer in powder with high water reduction, excellent superplasticizer, enhancing strength for concrete.
Uniformity parameters (mixing amount: 0.2%)
| Appearance: |
White powder |
| Bulk density (kg/m3, 20°C): |
≥450 |
| Cement paste fluidity (mm): |
≥240 |
| Air content % |
≤6.0 |
| Slump retention(mm) |
30 min. |
≥180 |
| 60 min. |
≥150 |
| Corrosion of steel bar |
No |
Characteristics:
* Wide adaptability.
* High water reduction.
* Good slump retention ability.
* Good dispersibility.
* Good cohesiveness.
* Lower cost & No harmful substances
Usage: The recommended mixing amount is 0.2-0.8%. The recommended stirring time is 150s at least.
Application: It is used in grouts (including non-shrink grouts), cementitious screeds (including self-levelling screeds), gypsum screeds, repair mortar constant temperature mortar.
