Sealer & Filler
Solvent-Based vs. Emulsion Gilsonite Sealers
Choose solvent-based where fast traffic return and penetration matter and regulations allow. Choose emulsions for lower VOC.
Knowledge Center
Practical, expert articles on gilsonite in drilling fluids, asphalt, foundry, inks, paints, coatings and waterproofing.
Sealer & Filler
Gilsonite Crack Fillers for Asphalt and Concrete
Sealing cracks keeps water out of the pavement structure and slows deterioration. Adds hardness, tack-free surface and resistance…
Sealer & Filler
Gilsonite Pavement Sealer: A Complete Guide
Gilsonite-based pavement sealers are used to protect and renew asphalt surfaces such as parking lots, driveways and airport…
Pipe Coating
Gilsonite Pipe Coating FAQ
Why add gilsonite to pipe enamel? To increase hardness, softening point and adhesion. Is it used in modern…
Pipe Coating
Formulation Basics for Gilsonite Pipe Coating Compounds
Heat bitumen, add gilsonite and dissolve, then add filler with mixing. Softening point, penetration and sag resistance per…
Pipe Coating
Pipe Coatings for Hot Climates
High ground temperatures soften bituminous coatings, causing sag and soil stress damage. Higher softening point compounds — achieved…
Pipe Coating
Tapes vs. Hot Enamels: Choosing a Bituminous Pipe Coating
Both can use gilsonite to improve hardness and adhesion. Enamel has lower material cost per square metre at…
Pipe Coating
Handling Coated Pipes and Coating Materials
Harder, gilsonite-modified coatings resist handling damage better. Inspect and holiday test pipes before lowering into the trench, and…
Pipe Coating
Bituminous Coatings for Sewer and Drainage Pipes
Concrete and ductile iron sewer pipes can be coated externally with bituminous paints. Increases hardness and chemical resistance…
Pipe Coating
Gilsonite Mastic Coatings for Steel
Mastics are thick, filled coatings applied by trowel or spray. High build, good adhesion and water resistance. A…
Pipe Coating
Quality Tests for Bituminous Pipe Coatings
Tests confirm that coating materials meet specification and that the applied coating protects the pipe as designed. Every…
Pipe Coating
Surface Preparation for Pipe Coatings
The best coating fails on a poor surface. Surface temperature should be at least 3 °C above dew…
Our Products
| Product | Particle size | Softening point (R&B) | Typical dosage | |
|---|---|---|---|---|
| Gilsonite Lump | 0 – 50 mm (custom) | 150 – 220 °C | Depends on application. | Spec · MSDS · COA |
| Gilsonite Granular | 1 – 5 mm | 150 – 200 °C | Asphalt: 4–12 % by weight of binder. | Spec · MSDS · COA |
| Gilsonite Powder | 100 – 200 mesh | 150 – 220 °C | Drilling 2–8 lb/bbl · asphalt 4–12 % of binder · foundry 0.3–1.0 % | Spec · MSDS · COA |
| Micronized Gilsonite | 300 – 600 mesh | 150 – 180 °C | Ink varnish: 20–40 % in oil. | Spec · MSDS · COA |
| Drilling Fluid Grade Gilsonite | 75 – 200 µm | 160 – 220 °C (grades) | 2 – 8 lb/bbl | Spec · MSDS · COA |
| Sulphonated Asphalt | — | — | 2 – 6 lb/bbl | Spec · MSDS · COA |
| Cementing Grade Gilsonite | 75 – 200 µm | 160 – 220 °C | 5 – 15 % BWOC | Spec · MSDS · COA |
| Asphalt Modifier Grade Gilsonite | Powder ≤ 200 mesh / granular 1–5 mm | 150 – 200 °C | 4 – 12 % by weight of binder | Spec · MSDS · COA |
| Foundry Grade Gilsonite | 100 – 300 mesh | 150 – 200 °C | 0.3 – 1.0 % (iron) | Spec · MSDS · COA |
| Ink & Paint Grade Gilsonite | 200 – 600 mesh | 150 – 180 °C | Ink varnish: 20–40 % in oil | Spec · MSDS · COA |
| Coating & Waterproofing Grade Gilsonite | ≤ 200 mesh | 150 – 200 °C | 5 – 25 % of compound | Spec · MSDS · COA |
| Sealer & Filler Grade Gilsonite | ≤ 200 mesh | 150 – 180 °C | Sealer: 15 – 35 % | Spec · MSDS · COA |