Paving
Gilsonite Paving: Frequently Asked Questions
Do I need special paving equipment? No. Normal pavers and rollers are used. Does gilsonite asphalt look different?…
Paving with Gilsonite-Modified Asphalt
Practical guides on paving with gilsonite-modified asphalt, from compaction to heavy-duty and desert roads.
Paving
Rehabilitation Overlays with Gilsonite Asphalt
When a road reaches the end of its surface life, an overlay restores ride quality and structure. Gilsonite…
Paving
Paving in Desert Conditions with Gilsonite
Desert roads face extreme heat, wind-blown sand and large daily temperature swings. Granular gilsonite is easy to handle…
Paving
Quality Control on Gilsonite Paving Projects
A gilsonite-modified pavement is only as good as the quality control behind it. Keep batch numbers of gilsonite…
Paving
Gilsonite in Specialty Pavements: Bridges and Tunnels
Beyond normal roads, gilsonite-modified asphalt is used in several specialty pavements. Thin, stiff, waterproof surfacing layers protect the…
Paving
Paving Heavy Truck Routes with Gilsonite
Freight corridors, quarry roads and port access roads carry far more trucks than ordinary roads. Their pavements need…
Paving
Pavement Preservation with Gilsonite-Based Products
Pavement preservation means treating roads while they are still in good condition to extend their life at low…
Paving
Gilsonite for Parking Lots and Driveways
Parking lots and driveways suffer from oil drips, sun exposure and turning tires. Gilsonite helps in both the…
Paving
Gilsonite in Chip Seals and Surface Dressing
Chip seals (surface dressing) are a low-cost way to waterproof and restore skid resistance to roads. The binder…
Paving
Can Gilsonite Be Used in Warm Mix Asphalt?
Warm mix asphalt (WMA) is produced at temperatures 20–40°C lower than hot mix, saving fuel and reducing emissions.…
Paving
Gilsonite in Porous and Open-Graded Asphalt
Porous asphalt and open-graded friction courses (OGFC) drain water quickly, reduce spray and lower noise. But their open…
Paving
High-Modulus Asphalt with Gilsonite
High-modulus asphalt (often called EME, from the French enrobé à module élevé) uses hard binders to create very…
Recommended product
Data sheet
Asphalt Modifier Grade Gilsonite
| Property | Typical value | Test method |
|---|---|---|
| Appearance | Black powder or granules | Visual |
| Softening point (R&B) | 150 – 200 °C | ASTM D36 |
| Ash content, max | 8 % | ASTM D3174 |
| Moisture, max | 1 % | ASTM D95 |
| Solubility in TCE, min | 95 % | ASTM D2042 |
| Specific gravity @ 25°C | 1.04 – 1.10 | ASTM D70 |
| Particle size | Powder ≤ 200 mesh / granular 1–5 mm | Sieve |
| Typical dosage | 4 – 12 % by weight of binder | |
| Packing | 25 kg bags, meltable bags or 1 MT jumbo bags. | |
Typical values. The final specification is confirmed in the COA of each shipment.