blown asphalt

blown asphalt

[¦blōn ¦as‚fȯlt]
(materials)
Asphalt which is treated or heated with air or steam within a blowing still at relatively high temperature.

blown asphalt

Asphalt that is treated by blowing air through it at elevated temperature to give it characteristics desired for certain special uses such as roofing, pipe coating, undersealing portland cement concrete pavements, membrane envelopes, and hydraulic applications.
References in periodicals archive ?
Fasihullah, "The chemical composition of catalytic air blown asphalt," Fuel, vol.
[77] used a Haake rotational viscometer to measure the viscosity of the soft asphalt samples while the viscosity of the blown asphalt samples is measured on a capillary rheometer.
Contract Awarded for 18GGH0036 Purchase of Blown Asphalt, Hot Asphalt 60/70 and Emulsified Asphalt for use in the Repair and Maintenance of Various Roads Section of Iloilo 3rd DEO