Table 2 Main performance indexes of emulsifier.

From: The high value utilization characteristics of coal gangue powder with emulsified asphalt mastic through rheological and viscoelastic damage theory

Appearance

Brown viscous liquid

Solid content (%)

≥ 70

Total amine amount (mmol/g)

≥ 5.2

PH value (1% aqueous solution)

9–11

Solubility (2% aqueous solution)

Completely soluble in water