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INKS AND PAINTS
Gilsonite has been used for in the paint industry for a decent amount of time. This material is used in paints with a bitumen base. The high nitrogen content of Gilsonite increases the adhesiveness and the stability of the Gilsonite against ultraviolet (UV) light. This product is mainly used in coating the exterior surface as also creating resistance against acids, it is used as the coating for car chassis and coating of metal structures. Gilsonite has been used as the first wet carbon agent in black inks for newspapers and magazines. High concentrations of Gilsonite have been used in newspaper printing inks. The main usage of this material is for dispersing black carbon particles that comprise the black color of the printing inks. This material is used in black ink as a cost-effective replacement for other resins. Moreover, in wood paintings it is used as dark brown paint. Due to the unique chemical and physical qualities of Gilsonite, it can lend useful characteristics to paints and polishing finishes.
Gilsonite powder is readily soluble without heating in aromatic solvents (Benzene, Toluene, Xylene) and in most chlorinated solvents. It is also soluble without heating in aliphatic and low aromatic solvents (VM&P and other Naphtha, Ink Oils and Mineral Spirits), but mixing time is longer. Without heating, the pulverized grade is recommended. In paint applications, Gilsonite is usually used in combination with bitumen (asphalt). In most cases, if Gilsonite is used alone, the final paint will be very hard and brittle after drying. If normal straight-run bitumen is used alone, the finished paint is too soft and tacky. Therefore, a combination of Gilsonite and bitumen is used to achieve the desired hardness (penetration) and drying time of the finished paint. In addition to imparting hardness to the paint, Gilsonite is also increasing the paint's: (1) adhesion; (2) gloss; (3) chemical resistance; (4) water resistance; and (5) body. For hardness, Gilsonite has a zero (0) penetration (at 25°C; 100 gm. 5 sec.) compared to the 60-70 pen, 80-100 pen or softer bitumen commonly available from petroleum companies or asphalt manufacturers.
Gilsonite is recommended to be used in
Underground Pipelines & Undercarriage
Wood Surfaces & Roofs
Gilsonite is used in dark paints to increase the adhesiveness and the protection against Ultra Violent light. Gilsonite is the most cost effective replacement in dark inks.