Faced masonry units and facing composition therefor

Details Faced masonry units and facing composition therefor Faced masonry units and facing composition therefor

1983-03-31

1985-02-12

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428454, 428447, 428480, 428500, 428702, 428921, B32B 1312, B32B 516, B32B 2736

Patent

active

044991428

ABSTRACT:
An unsaturated polyester resinous filled facing composition for use on masonry units such as concrete building blocks having improved flame spread retardance and low smoke production ratings, in addition to superior chemical, stain and water resistance. Isophthalic neopentyl glycol polyester is used and dimethyl methyl phosphonate is incorporated to provide the improved flame and smoke suppression.

REFERENCES:
patent: 2751775 (1956-06-01), Sergovic
patent: 2817619 (1957-12-01), Bickel et al.
patent: 2861011 (1958-11-01), Asbeck et al.
patent: 3632725 (1972-01-01), Jones
patent: 4263372 (1981-04-01), Emmons et al.

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