Gilsonite Lump
Natural asphalt in run-of-mine lump form for melting, blending with bitumen and further processing.
Details →Sun Gilsonite supplies every commercial form of natural asphalt, from run-of-mine lump to 600 mesh micronized powder. Each grade is produced to a written specification and shipped with a Certificate of Analysis.
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Gilsonite Granular
Crushed and screened 1–5 mm gilsonite for asphalt plants, industrial blending and low-dust handling.
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Gilsonite Powder
Milled 100–200 mesh gilsonite powder, the universal grade for drilling, asphalt, foundry and additives.
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Micronized Gilsonite
Ultra-fine 300–600 mesh low-ash gilsonite for inks, paints, coatings and fast-dissolving formulations.
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Drilling Fluid Grade Gilsonite
HPHT fluid loss control and shale stabilizer for oil-based and water-based drilling muds.
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Sulphonated Asphalt
Water-dispersible asphaltic shale stabilizer and mud conditioner for water-based drilling fluids.
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Cementing Grade Gilsonite
Lightweight extender and lost-circulation additive for oil well cement slurries.
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Asphalt Modifier Grade Gilsonite
Natural modifier that raises softening point and PG grade of bitumen for rut-resistant asphalt.
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Foundry Grade Gilsonite
High lustrous-carbon additive for green sand that improves casting finish and replaces sea coal.
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Ink & Paint Grade Gilsonite
Low-ash, highly soluble gilsonite resin for black printing inks, enamels and coatings.
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Coating & Waterproofing Grade Gilsonite
Hardening additive for bituminous pipe enamels, roof coatings and waterproofing compounds.
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Sealer & Filler Grade Gilsonite
Gilsonite for pavement sealers, crack fillers, joint sealants and bituminous mastics.
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The table below summarizes particle size, softening point and typical dosage. Download the specification and MSDS of each grade as PDF.
| 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 |
Not sure which grade you need?
Tell us your application, process conditions and target specification. Our technical team will recommend the most economical grade and send samples for testing.