Sodium Naphthalene Sulphonate
Sodium Naphthalene Sulphonate is offered with an extraordinary plasticity. As a state of blending where sum of collapsibility and cement is fixed to a forehand. When it is intermingled with strengthened concrete at 0.5-1.0%, blending water can be reduced by 18-28%. Statistically, the compression strength of this product on lst day, 3 rd day and the 28 th day can be enhanced by 60-90% and 25-60% severally after a single application. This process an be taken place when the product is added at standardized blend dosage. As an effect, tensile strength, buckling strength, compression strength and modulus of elasticity can be developed to some extent. Sodium Naphthalene Sulphonate can modify miscibility of concrete amalgamator with collapsibility & water. As a state of equivalent compounding, collapsibility can be accumulated 5-8 times after it is added at 0.7% blend dosage. 15-20% of cement can be set-aside when the provided agent is amalgamated at 0.7% blend dose, which is prepared by strength and selfsame collapsibility.
PARAMETERS & ACCEPTANCE CRITER LA
| Model item | NSF-A |
| Net starch fluidity (mm ) | ≥ 240 |
| Content of CL (%) | 0.3 |
| PH value | 7 9 |
| Surface tension (N/m) | (7 1 ± 1) × 10 -3 |
| Solids content (%) | ≥ 92 |
| Na 2 SO 4 content (%) | ≤5 |
PARAMETERS & ACCEPTANCE CRITERIA FOR REFERENCE
| Parameters | Criteria | Actual Results | Parameters | Criteria | Actual Results | ||
| Water Reduction, % | ≥18 | 21.8 | Compression strength, % | 1d | ≥ 180 | 200 | |
| Water Penetration, % | ≤ 90 | 79 | 3d | ≥ 170 | 194 | ||
| Air Content, % | ≤ 2.0 | 1.6 | 7d | ≥ 150 | 161 | ||
| Temporal Distribution for setting (min) | Initial setting time | -9 0 +120 | +20 | 28d | ≥ 130 | 142 | |
| Terminal setting time | +13 | Shrinkage, % | 28d | ≤ 130 | 125 | ||
| Corrosion to steel bars | None | None | |||||
| Note: Standard Blend Dosage:0.7 %(as cement amount) | |||||||