C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
150/4
C08L 89/00 (2006.01) G01M 3/04 (2006.01) G01N 21/01 (2006.01)
Patent
CA 1073790
Abstract of the Disclosure: 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.
276377
Hirota Nobuyoshi
Shibata Akio
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