The soil samples are first mixed with the dispersing agent to retard flocculation. Mixing of the soil and dispersant is done with the aparatus and a Special Mixing Paddle made to ASTM specifications. At the maximum of three speeds, the apparatus rotates at about 10,000 rpm under no load.

The apparatus includes a standard stirring paddle and a dispersion cup with stationary soil baffles.

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SKU: S-30020
Part NumberDescription
S-30020Stirring Apparatus 110 V, 60 Hz w/Dispersion Cup and Special Mixing Paddle

ASTM: D 422
AASHTO: T-88