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Viscosity: Highly viscous or semi-solid at ambient temperatures. Normal pumping temperature ranges from 66ºC to 260ºC / 150°F to 500°F with viscosities ranging from 40 cPs. to several thousand cPs.
Remarks: A black, semi-solid material, heavier than water, obtained in the destructive distillation of coal. Sp. Gr. 1.2. Soluble in ether, benzene, carbon disulfide; slightly soluble in water. A major raw material for a variety of dyes, drugs and other organic chemicals. Coal tar or its fractions can also be used for waterproofing, paints, pipe coating, roofing, insulation, pesticides and in medicine.
Pump Notes: Cast iron construction is satisfactory. Pump jacketing features are recommended to keep the product liquid especially at start up.
See also: Coal Tar Pitch, Pitch, Tar