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Other Names: Asphaltum, bitumen, pitch, Trinidad pitch, mineral pitch, petroleum asphalt
Viscosity: Varies widely with type and temperature, normally handled in the 150 to 205ºC / 300 to 400ºF range at which temperature viscosity is usually in the 100 cPs. to 5000 cPs. range.

Remarks: A dark brown or black solid or semi-solid material made up primarily of bitumens, which occur in nature or are obtained as residuals in refining petroleum. Asphalt is used for paving roads, roofing, waterproofing, paints, softener in rubber blends, and fungicides.

Pump Notes: Cast iron construction is recommended. Normally, packing is used for a shaft seal but mechanical seals have also been used with success. Pump jacketing is normally required to keep the product at temperature. Asphalt is a solid a room temperature which necessitates bringing the pump to temperature before operating.

See also: Asphalt, Cutback Asphalt, Emulsified Asphalt, Coal Tar, Coal Tar Pitch, Pitch, Tar