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Typical Physical Properties

 Property  Value

Physical Form

 Free flowing powder

Colour

 Grey

 Particle Size

  12 – 500 microns

Relative Density

  0.6 – 0.9 g/cc

Bulk Density

  0.3 – 0.4 g/cc

Shell Thickness

  approx. 10% of diameter

Compressive Strength

 ~ 3,500 psi  *

Oil Absorption

  ~ 7g/100g

pH of Water Dispersion

  6 – 8

Thermal Conductivity

  0.1 W/m/°C

Melting Point

  1500 °C – 1600 °C

Hardness

  6 Mohs scale

* 70% particle survival rate at 3500 psi – isostatic pressure test

Product Range

Group Product Grade Nominal Particle Size Range
[Microns]
 Approximate Particle Mean
[Microns]
General Grade  E-SPHERES® ES  ESG  200 – 300  130

General Purpose Coarse Grade

  ES300  100 – 300  150

General Purpose Fine Grade

  ES150  20 – 150  100
Fine Grade  ES125  12 – 125  80
 Finest Grade  ES75  12 – 75  45

A world of possibilities

E-SPHERES® are an incredibly versatile additive, which also add value and improve performance of engineered materials and products.

Contact us for more information about how E-SPHERES® could enhance your technologies.

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