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Black Liquor Soap

Other Names: Black liquor skimmings
Viscosity: Ranges from 22 cPs. to 25,000 cPs.
Sp. Gr.: Ranges around 0.95

Remarks: Black liquor soap (skimmings) is the fatty and rosin acid content of black liquor that floats to the surface after partial evaporation of the water content. Viscosity varies widely and the product is shear thinning. Black liquor soap is a raw material for tall oil.

Pump Notes: Cast iron or stainless steel construction may be appropriate depending on individual requirements. Pump jacketing may be required if the product is handled at elevated temperature.