
Coatings for Water Pipelines and Gilsonite
Water pipelines often use bituminous coatings for economy and durability. Mainly in external coatings. Internal potable water linings…
Practical, expert articles on gilsonite in drilling fluids, asphalt, foundry, inks, paints, coatings and waterproofing.

Water pipelines often use bituminous coatings for economy and durability. Mainly in external coatings. Internal potable water linings…

Cold-applied tapes are convenient for repairs, fittings and small-diameter pipes. Carrier film or fabric plus bituminous adhesive compound.

Welded joints in the field need coating that matches the factory coating. Hardens mastic and tape compounds, improving…

Pipelines combine coatings with cathodic protection (CP). The coating must work well with CP. CP can cause coating…

A primer improves bond between steel and the main coating. Gilsonite and/or bitumen dissolved in fast-evaporating solvents.

Hot-applied bitumen enamel is one of the oldest pipeline coating systems and is still used for water pipelines…

Buried steel pipelines carrying water, oil and gas must be protected from corrosion for decades. Bituminous coatings —…

What colour does gilsonite give? Black in thick films, brown in thin films. Which solvents dissolve it? Aromatic…

Bituminous coatings have long been used on ship hulls, ballast tanks and marine structures. Modern specifications often require…

Concrete and masonry below ground need protection from water. Water resistance, adhesion to porous surfaces and durability.

Before using a new gilsonite grade, test it in your formulation. Ash, softening point, moisture and particle size…

Gilsonite's high softening point helps black coatings resist softening in hot conditions. For very high temperatures, silicone-based coatings…
| 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 |
Get a quotation, samples and full documentation (TDS, MSDS, COA) within 24 hours.