High strength insulation materials

Details High strength insulation materials High strength insulation materials

1980-09-10

1982-06-22

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106DIG2, C04B 1904

Patent

active

043360688

ABSTRACT:
Novel perlite-silicate type insulation materials are provided having improved physical strength qualities. More particularly, such materials are provided having high flexural or transverse strength as measured by A.S.T.M. standard C-203. According to a preferred embodiment, amounts of phosphate within a limited proportioned range are added to insulation mixtures to yield shaped insulating bodies having a flexural strength in excess of about 60 lb./in..sup.2. Addition of clay is made according to another preferred embodiment, whereby substantial reduction in shrinkage is accomplished.

REFERENCES:
patent: 3658564 (1972-04-01), Gerow et al.
patent: 3813253 (1974-05-01), Neises
patent: 3886076 (1975-05-01), Venable

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