Coating composition for leak detection in air test

Details Coating composition for leak detection in air test Coating composition for leak detection in air test

1977-03-07

1978-09-12

Hayes, Lorenzo B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106130, 106135, 106213, 260 174ST, 260 296H, C08L 8900

Patent

active

041136730

ABSTRACT:
A coating composition for leak detection in an air test, consists of an aqueous solution containing from 1.6 to 9.6 wt% of soluble starch, from 0.04 to 0.75 wt% of water-soluble acrylic resin, from 0.05 to 0.5 wt% of gelatin, and from 0.5 to 1.0 wt% of a foaming agent, and is adjusted to a pH range between 4 and 10. The composition may be adjusted to a pH range between 4 and 6. It may also be an aqueous solution containing a coagulation modifier, with the pH adjusted to a range between 8 and 10 with the addition of a small amount of caustic alkali.

REFERENCES:
patent: 3808161 (1974-04-01), Lipscomb, Jr.
patent: 3893965 (1975-07-01), Moore et al.

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