Table 2 Basic physical properties of sodium polyacrylate.

From: Mechanical and microscopic characterization of expansive soils modified by water-soluble polymers

Makings

Molecular mass (g/mol)

Particle size (mesh)

pH

300 °C

Viscosity (dL/g)

Sodium polyacrylate

10 million

200–400

7.8

Non-decomposable

0.060 ~ 0.10