Water-resistant asbestos-cement

Paper making and fiber liberation – Processes and products – Multi-layer waterlaid webs or sheets

Patent

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Details

162145, 162153, 163154, 162155, 162171, 162183, D21F 1100

Patent

active

039856100

ABSTRACT:
An improved low density asbestos-cement product and the process whereby it is produced wherein an asphalt emulsion is combined with the formulation from which the product is made, which asphalt emulsion has an asphalt phase which asphalt has a softening point of at least 150.degree.F and is dispersed in water in globules all smaller than 10 microns.

REFERENCES:
patent: 1804740 (1931-05-01), Buczkowski
patent: 1859414 (1932-05-01), Stevenson et al.
patent: 1925584 (1933-09-01), Fisher
patent: 2335722 (1943-11-01), Adams
patent: 2555401 (1951-06-01), Fasold et al.
patent: 3087851 (1963-04-01), Beuscher et al.
patent: 3095346 (1963-06-01), Sfiscko et al.
patent: 3300372 (1967-01-01), Bauer
patent: 3344015 (1967-09-01), Neal et al.
patent: 3509020 (1970-08-01), Gelsomino

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