Customization: | Available |
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Appearance: | Powder |
Application: | Concrete Admixture, Mortar Admixture |
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Parameter | Specification |
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Chemical Formula | (C3H6N6·CH2·SO3Na)n (Polymer) |
CAS No. | 9011-05-6 (Melamine-Sulfonate) |
Appearance | White/Yellowish Powder |
Solid Content | ≥92% |
pH Value | 7-9 (1% aqueous solution) |
Chloride Content | ≤0.1% (Low-corrosion grade) |
1. Precast Concrete: Enhances flowability for intricate molds.
2. Self-Leveling Floors: Achieves slump flow ≥600mm.
3. Shotcrete: Reduces rebound in wet-mix spraying.
4. GRC Products: Improves fiber dispersion in thin sections.
5. Underwater Concrete: Minimizes washout loss.
-- Naphthalene-Free: Eco-friendly alternative to NSF superplasticizers.
Standard Concrete: 0.5-1.0%
High-Flow Concrete: 1.0-1.5%
Precast Elements: 0.3-0.8%
Packaging: 25 kg woven bags with inner PE liner / 500 kg palletized drums.
Storage: Keep dry (<50% humidity) at 10-30°C. Shelf life: 24 months.
Q1: Can SMF be used with PCE-based superplasticizers?
---- Yes, but conduct compatibility tests to avoid over-dispersion.
Q2: Does SMF delay setting time?
---- Minimal effect (1-2 hrs delay for OPC). Use retarders for longer delays.
Q3: Is SMF suitable for hot weather concreting?
---- Yes, but consider a retarded SMF type (>4 hrs setting delay).
Q4: How does SMF compare to NSF superplasticizers?
---- Advantages: Better sulfate resistance, less foaming.
---- Limitations: Lower water reduction than PCE.
Q5: Shelf life of SMF powder?
---- 24 months in sealed, dry conditions.