polycarboxylate superplasticizer for ultra-high performance concrete pc-809
PC-809 is based on polycarboxylate technology production,special use for Ultra-high performance concrete.
It through optimization of molecular configuration and synthesis process, with high water reduction rate and early strength type of a new generation of superplasticizer products, suitable for ultra-high performance concrete (UHPC) with low water binder ratio and high strength requirements.
Product characteristics
(1) High water reduction rate: at low content, it has a high water reduction efficiency to adapt to low water-binder ratio.
(2) High dispersion: It has excellent dispersion ability, can be quickly adsorbed, giving the material system excellent workability and constructability.
(3) High adaptability: It has excellent adaptability with various cement-based material systems.
(4) Early strength and high strength: with excellent early strength and enhancement effect.
(5) High durability: enhance the firmness of the hardened slurry, improve shrinkage and creep performance, and improve durability.
(6) Green environmental protection: no harmful substances, safe and environmental protection.
Field of application
Pc-809 This product has excellent dispersion, especially suitable for all kinds of high grade cement systems. UHPC ultra-high performance concrete system and other high strength high performance concrete.
Main technical index
| Test item | Technical index |
|---|---|
| Appearance | White powder |
| Moisture content, % | ≤5.0 |
| content, % | ≥95 |
| bulk density, (g/L) | 500~700 |
| PH value (10% aqueous solution, 20℃) | 6~8 |
| Chloride ion content, % | ≤0.1 |
| Water reduction rate, % | ≥25 |
| Alkali content, % | ≤3.0 |
Instructions for use
- When used, it should be mixed evenly with other dry powder components first, and mixed according to the requirements of construction mixing in different fields when used;
- The recommended dosage is 0.10-0.50% of the cementing material, and the specific dosage is determined according to the application system and the change of dry mix components;
Packaged storage
–25kg/ bag, woven bag/kraft paper packing. The storage period is 12 months from the date of production, if it exceeds the shelf life, it must be tested and verified before use.
–Store in a ventilated and dry place, pay attention to moisture-proof treatment, avoid direct sunlight, use in time after opening, need to seal in time to prevent moisture absorption deterioration.