Paving compositions

Details Paving compositions Paving compositions

1972-08-23

1976-10-19

Schofer, Joseph L.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106276, 106279, 106280, C08L 9500, C09D 324

Patent

active

039868877

ABSTRACT:
Bituminous compositions suitable for road paving materials characterized by a Penetration Ratio of at least 25 and a minimum viscosity at 275.degree. F. in the range from about 50 Saybolt Furol Seconds to about 120 Saybolt Furol Seconds, depending upon the penetration grade of the bituminous material, are produced by blending a vacuum-reduced naphthenic asphalt and a residual asphalt having a lower penetration but a higher viscosity than the vacuum-reduced naphthenic asphalt.

REFERENCES:
patent: 2691621 (1954-10-01), Gagle

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