Zinc ash

AppearancePowdery, light gray to dark gray
Particle SizeVaries, generally fine powder
Bulk Density0.5 to 1.5 g/cm³
Moisture Content1% to 5%
Zinc Content60% to 70%
ImpuritiesIron, lead, aluminum, and others
SolubilityInsoluble in water, soluble in acids
OdorOdorless
Melting PointN/A (as it is not a pure substance)
Specific Gravity2.5 to 3.0
ColorGray
FlammabilityNon-flammable
+