NJ-901/NJ-902 Accelerator Agent
NJ-901 is a lithium sulfate type and NJ-902 is a lithium carbonate type, which are white soluble powder. The characteristics are as follows:
When added to sulfoaluminate cement, it can greatly shorten the setting time, accelerate the hydration reaction rate, and significantly improve the strength of the material within 1~4h after the hydration reaction starts.
scope of application
This product is suitable for fast-hardening mortar system with sulfur cement or high aluminum cement as cementitious material, such as bridge bearing mortar, cement-based rapid repair material, leakage stopper and so on.
performance index
Homogeneity index | NJ-901 | NJ-902 |
surface | White powder | White powder or granules |
Active ingredient，% | ≥98 | ≥98 |
stacking density，(kg/m3) | 700-850 | 700-850 |
solubility | Soluble in water | Water-soluble |
Insoluble matter in hydrochloric acid，% | ≤0.02 | ≤0.02 |
Recommended dosage
The recommended dosage of this product in various systems is 0.1~0.5‰ of the system, and the optimal dosage should be determined by test.
Packaging and storage
This product comes in paper bags (20kg per pack).
Unused portions should be stored in airtight packaging.
As an inorganic salt, avoid high-temperature or humid storage to prevent clumping.
Store in a cool, dry place at 0-40°C, and do not store for more than 12 months.
technical support
- The company’s technical personnel provide consulting services in the preparation process of various formula systems;
- Technology tracking, in conjunction with the long-term optimization of the formulation system.