Additives
Gilsonite Additives FAQ
Can gilsonite replace synthetic resins? In many black or dark formulations, partly or fully. Which grade is best…
Milled 100–200 mesh gilsonite powder, the universal grade for drilling, asphalt, foundry and additives.
Key benefits
- Versatile grade for many industries
- Uniform 100–200 mesh particle size
- Easy dispersion and dissolution
- COA with every batch
Product overview
Gilsonite powder is milled and air-classified to 100–200 mesh. It is the most widely used form of gilsonite, suitable for drilling fluids, cement slurries, asphalt modification, foundry sand and many industrial formulations.
Applications
- Drilling fluids and cementing
- Asphalt binder modification
- Foundry sand additive
- Rubber, adhesives and blends
Technical data
Data sheet
Gilsonite Powder
| Property | Typical value | Test method |
|---|---|---|
| Appearance | Black to dark brown powder | Visual |
| Particle size | 100 – 200 mesh | Sieve |
| Softening point (R&B) | 150 – 220 °C | ASTM D36 |
| Ash content, max | 5 % | ASTM D3174 |
| Moisture, max | 1 % | ASTM D95 |
| Volatile matter | 55 – 75 % | ASTM D3175 |
| Solubility in toluene, min | 99 % | ASTM D2042 |
| Specific gravity @ 25°C | 1.04 – 1.10 | ASTM D70 |
| Typical dosage | Drilling 2–8 lb/bbl · asphalt 4–12 % of binder · foundry 0.3–1.0 % | |
| Packing | 25 kg multi-wall paper or PP bags, palletized and stretch-wrapped; 1 MT jumbo bags. | |
Typical values. The final specification is confirmed in the COA of each shipment.
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