Pipe Coating
Gilsonite Pipe Coating FAQ
Why add gilsonite to pipe enamel? To increase hardness, softening point and adhesion. Is it used in modern…
Gilsonite for Pipe Coating
Bituminous pipe coatings with gilsonite: enamels, primers, tapes, mastics and testing.
Pipe Coating
Formulation Basics for Gilsonite Pipe Coating Compounds
Heat bitumen, add gilsonite and dissolve, then add filler with mixing. Softening point, penetration and sag resistance per…
Pipe Coating
Pipe Coatings for Hot Climates
High ground temperatures soften bituminous coatings, causing sag and soil stress damage. Higher softening point compounds — achieved…
Pipe Coating
Tapes vs. Hot Enamels: Choosing a Bituminous Pipe Coating
Both can use gilsonite to improve hardness and adhesion. Enamel has lower material cost per square metre at…
Pipe Coating
Handling Coated Pipes and Coating Materials
Harder, gilsonite-modified coatings resist handling damage better. Inspect and holiday test pipes before lowering into the trench, and…
Pipe Coating
Bituminous Coatings for Sewer and Drainage Pipes
Concrete and ductile iron sewer pipes can be coated externally with bituminous paints. Increases hardness and chemical resistance…
Pipe Coating
Gilsonite Mastic Coatings for Steel
Mastics are thick, filled coatings applied by trowel or spray. High build, good adhesion and water resistance. A…
Pipe Coating
Quality Tests for Bituminous Pipe Coatings
Tests confirm that coating materials meet specification and that the applied coating protects the pipe as designed. Every…
Pipe Coating
Surface Preparation for Pipe Coatings
The best coating fails on a poor surface. Surface temperature should be at least 3 °C above dew…
Pipe Coating
Coatings for Water Pipelines and Gilsonite
Water pipelines often use bituminous coatings for economy and durability. Mainly in external coatings. Internal potable water linings…
Pipe Coating
Bituminous Pipe Wrapping Tapes
Cold-applied tapes are convenient for repairs, fittings and small-diameter pipes. Carrier film or fabric plus bituminous adhesive compound.
Pipe Coating
Field Joint Coating with Bituminous Materials
Welded joints in the field need coating that matches the factory coating. Hardens mastic and tape compounds, improving…
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Data sheet
Coating & Waterproofing Grade Gilsonite
| Property | Typical value | Test method |
|---|---|---|
| Appearance | Black powder | Visual |
| Softening point (R&B) | 150 – 200 °C | ASTM D36 |
| Ash content, max | 5 % | ASTM D3174 |
| Moisture, max | 1 % | ASTM D95 |
| Solubility in TCE, min | 97 % | ASTM D2042 |
| Particle size | ≤ 200 mesh | Sieve |
| Typical dosage | 5 – 25 % of compound | |
| Packing | 25 kg bags palletized; 1 MT jumbo bags. | |
Typical values. The final specification is confirmed in the COA of each shipment.