Sodium Naphthalene Sulphonate Formaldehy

Our range of Sodium Naphthalene Sulphonate Formaldehy high purity makes cement particles with high dispersancy, low foaming, high range water reducing and obvious strengthening so that we can get advantages of accelerating project mould turnover and construction speed, and also saving cement, improving cement mobility and workability. SNSF is a high range concrete admixture of concrete cast-in-place, prefabricating, pump and curing.
SNSF has a good adaptability to various cements and it is no erodent to reinforcing bar and nonpoisonous and pollution-free. Nsf has been applied to the highway, bridge, tunnel, water conservancy hydroelectric project, port, quay, skyscraper, power engineering, industrial civil building, prestressing force component and high range concrete etc.

Specification:
Items
Index
Appearance
Yellow powder
Dispersing power
92% of standard
Thermal stability
130deg C min
PH
7-9 (1% water solution)
Sodium sulphate content
18% max
Calcium & magnesium
4000PPM max
Water content
5% max
Impurity
0.05% max
Technical features & adaptability:
1. Mixing amount: 0. 5-1. 0% of cementing materials, reducing rate: 20-30%
2. Keeping concrete strength intact & mixing this product, cement saving amount can reach 15-20%
3. Mixing this product 0. 7% (solid content), slump constant increases above 10cm