Paving
Gilsonite Paving: Frequently Asked Questions
Do I need special paving equipment? No. Normal pavers and rollers are used. Does gilsonite asphalt look different?…
Natural modifier that raises softening point and PG grade of bitumen for rut-resistant asphalt.
Key benefits
- Raises softening point and PG grade
- Improves rutting resistance
- Better binder–aggregate adhesion
- Wet or dry process addition
Product overview
Asphalt modifier grade gilsonite dissolves in hot bitumen or in the asphalt mixer and increases binder stiffness, softening point and high-temperature PG grade. It improves rut resistance, adhesion and durability on heavy-traffic and hot-climate roads.
Applications
- Highways and truck routes
- Intersections and bus lanes
- Airports and ports
- High-modulus base layers
Technical data
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.
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