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Gilsonite is used in drilling mud fluids and oil well cementing. Gilsonite, in a range of softening points and particle sizes, is a standard ingredient in oil-based drilling muds used in shale and other difficult geological formations. The addition of specially treated Gilsonite to water-based drilling fluids helps minimize hole washout by stabilizing troublesome shale, and seals off highly permeable sands while reducing torque and drag. Find out more


Asphalt & Paving

Gilsonite is used as a performance-enhancing additive for asphalt mixes. Gilsonite-modified paving mixes achieve higher PG grades and incorporate perfectly into the asphalt blend with no need for high shear milling unlike other modifiers. Gilsonite can replace the use of SBS polymers in modified asphalts at a large fraction. Gilsonite-modified asphalts have higher stability, reduced deformation, reduced temperature susceptibility and increased resistance to water stripping than non-modified asphalts. Find out more


Inks and Paints

Gilsonite Resin is widely used as the primary carbon black wetting agent for black news inks and headset and gravure inks. Gilsonite Resin competes advantageously with petroleum-based hydrocarbon resins, phenolic resins and metal resonates, all of which it can complement or replace to various degrees. Gilsonite can also be added to paints to improve their roughness, gloss and chemical and weather resistance.

Printing Inks, Gilsonite is an important cost-effective ingredient in the manufacture of high quality dark printing inks. Find out more



Gilsonite's natural properties reduce imperfections due to the rapid reactions in sand foundry. The silica sand mold and the oxidized surface of molten iron usually have significant reactions that can be improved by using Gilsonite. By adding Gilsonite to the sand mix the peeling process is improved at shakeout rapidly. For a cleaner and smoother cast surface in sand foundry Gilsonite is highly recommended. Find out more



Gilsonite powder and pellets are used in different applications as a binder. The main applications in the UK are Construction, Paint & Stains and coatings. Gilsonite can also be used in Foundry, Oil & Gas.