Additives
Gilsonite in Plastics and Masterbatches
Gilsonite can be used to colour and modify some plastics. Gilsonite is not a replacement for carbon black…
Knowledge Center
Practical, expert articles on gilsonite in drilling fluids, asphalt, foundry, inks, paints, coatings and waterproofing.
Additives
Gilsonite in Electrical Insulation Compounds
Gilsonite was historically used for insulating cables and is still used in some potting and insulating compounds. In…
Additives
Gilsonite as a Briquetting Binder
Fine coal, coke and carbon fines are often pressed into briquettes. A binder holds them together. Mix fines…
Additives
Gilsonite in Adhesives and Hot Melts
Gilsonite adds tack, hardness and water resistance to bituminous and some hot-melt adhesives. Dissolve gilsonite in hot bitumen…
Additives
Gilsonite in Rubber Compounding
Gilsonite has been used as a processing aid and extender in rubber. Hoses, belts, mats, seals and some…
Additives
Gilsonite as an Industrial Additive: Overview
Beyond its major markets, gilsonite is a versatile additive in many industrial products. Gilsonite combines several properties that…
Waterproofing
Gilsonite Waterproofing FAQ
Why add gilsonite to waterproofing? To increase hardness, heat resistance and water resistance. Is it flexible? Alone it…
Waterproofing
Preventing Basement Leaks
Gilsonite coatings form part of a complete system. Before choosing a repair, find where water enters: cracks in…
Waterproofing
Formulating Gilsonite Waterproofing Compounds
Softening point, flexibility, adhesion and water absorption. Softening point, sag on a vertical panel, drying time, flexibility over…
Waterproofing
Waterproofing Inspection Checklist
Record batch numbers, weather conditions and test results. Good records make warranty claims and future maintenance much easier.
Waterproofing
Green Roofs and Bituminous Root Barriers
Green roofs need waterproofing that resists roots. Root-resistant membranes with special additives. Can contribute to hardness of compounds;…
Waterproofing
Waterproofing in Hot Climates
Extreme heat softens bitumen, causing slipping on slopes and stickiness. Gilsonite raises softening point so coatings stay in…
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 |