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Gilsonite Usage In Coating

There are few prior art coating compositions which combine the highly desired characteristics of economy, low raw material cost and compatibility with most of the raw materials used in the paint, varnish and enamel in dustry, and at the same time are also highly resistant to acid and alkali materials, non-corrosive toward the surface upon which they are applied, weather-resistant and of high electrical insulating value. There is, however, one composition which possesses all of these properties. This composition is one containing gilsonite as a principal constituent. For example, a Gilsonite and drying oil composition possesses all of these desirable qualities to a considerable extent.

Gilsonite is one of the purest natural bitumens available and is used in the manufacture of black varnishes, coach varnishes, black baking enamels, japaris, insulating compositions and water-proofing compositions. Two counties in the State of Utah are the sole source of commercial quantities of gilsonite in this country. Gilsonite as mined in these counties varies in its properties from one deposit to another and its properties often vary. Within a given deposit. In addition, many of the more accesssible deposits are being depleted. Consequently, the industry is faced with the problem of providing a suitable replacement material for Gilsonite in such compositions.

Gilsonite is used as insulated coating for pipes. This material is a non-toxic gum with excellent adhesiveness. Anti-corrosion coatings which are chemically inert can be produced from Gilsonite. In the wood and carpentry industry, Gilsonite is used as a solidifying agent (glue). This material is waterproof and corrosion resistant. Since Gilsonite is a very hard resin, it produces very hard products.

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