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Cut-Back Asphalt
Asphalt which has been diluted to a liquid or semi-solid with a petroleum thinner.
Viscosity: Variable, depending on dilution and temperature, normally 22 to 220 cPs. / 100 to 1,000 SSU in the 21 to 93ºC / 70 to 200ºF range.
Remarks: Cut-back asphalt is used for coating road surfaces.
Pump Notes: Cast iron construction is satisfactory. Packing is the normal shaft seal.
See also: Asphalt, Emulsified Asphalt