Gilsonite has been the subject of exhaustive study to improve characteristics for use in paving. Various properties of asphalt

Gilsonite in asphalt and pavement

Gilsonite has been the subject of exhaustive study to improve characteristics for use in paving. Various properties of asphalt are manipulated to produce a product that has the appropriate wear properties, rut resistance, fatigue and low temperature cracking resistance, adhesion strength, viscosity and pour point. Rut resistance is resistance to longitudinal surface depressions in the wheel paths. Adhesion strength is the maximum adhesion strength of the joint sealant and the joint reservoir, including but not limited to, between the aggregate and the binder.

Gilsonite pavement construction

Shove resistance is resistance to permanent, longitudinal displacement of a localized area of the pavement surface caused by traffic pushing against the pavement. Heavy hydrocarbon that can be derived from, without limitation, natural asphalt (Gilsonite), shale asphalt, bottoms from a solvent deasphalting process, hard asphalt, blown asphalt, stiff refined asphalt, a flux. Asphalt is usually the base ingredient for the primer and the binder. A primer can be asphalt, fibers (including but not limited to, mineral or cellulose), processing agent (including but not limited to, oligiomeric wax, carboxilated, derivative of oligiomeric wax, or low molecular weight polyolefin), polymeric or elastomeric additive, or asphalt-derived. A primer melts to the aggregate. Asphalt binders without polymers are referred to as “neat”.

Gilsonite in construction

Important points to use gilsonite in construction

• Gilsonite is an effective alternate for high cost, end block resins for Kraton
• Strong bonds broke concrete over 10% to 90% of the bond area
• Viscosity adjustments are necessary to obtain “gunning” grade consistency

Sample preparation of gilsonite construction

Kraton and the resin were dissolved in warm solvent. Prewetted filler was then mixed into the rubber/resin solution.
Bonded specimens were dried for 5 days at 23°C prior to testing.

Suggested uses

Broad range application for bonding wood to wood, wood to dry wall, masonry to wood, and wood to glass and metal.

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