DISPERSING AGENT MF (1) 1.Property Appearance Deep brown powder Compose Methylnaphthalene sulfonate formaldehyde condensate Ion type Negative ion Solubility Easy dissolve in water 2. The main technical standard Item Parameter detection result Content% ≥92 93 Disperse power(standard product),% ≥80 83 Heat-resisting stability 130 degree 4-5 Sodium sulfate content,% ≤ 20 19 PH value(1% water-solution) 7--9 7.8 Content of calcium and magnesium ion% ≤ 0.4 0.2 Insolubles in water, % ≤ 0.05 0.02