Sealer & Filler
Slurry Seals and Micro-Surfacing with Gilsonite
Slurry seals and micro-surfacing combine emulsion, fine aggregate and filler. Can be incorporated into the asphalt before emulsification…
Knowledge Center
Practical, expert articles on gilsonite in drilling fluids, asphalt, foundry, inks, paints, coatings and waterproofing.
Sealer & Filler
When Is the Best Time for Crack Sealing?
Cracks are widest in cool weather, which makes spring and autumn ideal for crack sealing. Sealant placed in…
Sealer & Filler
Safety and Environmental Notes for Sealers
Many regions restrict VOC content and ban certain sealer types. Check local rules before selecting a product. Store…
Sealer & Filler
Estimating Sealer Coverage
Coverage depends on surface texture and age. Always follow the product data sheet. A 1,000 m² car park…
Sealer & Filler
Gilsonite in Fillers and Putties
Dark fillers and putties for wood, metal and masonry can use gilsonite as a binder. Gilsonite gives a…
Sealer & Filler
Formulating a Gilsonite Pavement Sealer
Drying time, film flexibility, water resistance and colour. Drying time, film flexibility, adhesion to aged asphalt, water resistance…
Sealer & Filler
Application Tips for Gilsonite Sealers
Barricade the area and keep vehicles off until the sealer has cured – often several hours, longer in…
Sealer & Filler
Bituminous Caulks and Mastics with Gilsonite
Caulks and mastics seal joints in roofs, gutters, foundations and tanks. Bitumen, gilsonite, fillers, fibres and solvent.
Sealer & Filler
Rejuvenating Aged Asphalt Surfaces
Asphalt oxidizes and becomes brittle and grey over time. Treat early, before cracking becomes extensive. Oxygen and UV…
Sealer & Filler
Gilsonite Sealers for Airport Pavements
Airports use surface treatments to extend asphalt life and resist fuel spills. Friction must be maintained; follow aviation…
Sealer & Filler
Gilsonite in Cold Patch and Pothole Repair Mixes
Cold patch mixes repair potholes quickly without hot asphalt. Improves cohesion and stiffness after curing, helping patches stay…
Sealer & Filler
Gilsonite in Joint Sealants
Bituminous joint sealants fill expansion and contraction joints in concrete and asphalt. Concrete pavements, bridge joints, canals and…
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 |