The range of Roquette Magnesium Stearate is composed of three grades differentiated by their specific surface areas:
-  Roquette Magnesium Stearate LS has a low specific surface area, lower than 5 m²/g.
-  Roquette Magnesium Stearate has a medium specific surface area, between 5 m²/g and 10 m²/g.
-  Roquette Magnesium Stearate HS has a high specific surface area, higher than 10 m²/g.