HS 2530.90Industrial minerals
Natural Pozzolan
- Spec
- ASTM C618 Class N
- Packing
- Bulk vessel · Big bags
- Use
- Blended cement, concrete
Ground barite to API 13A for drilling fluids, in 4.20 and 4.10 density grades.
Barite (barium sulphate, BaSO4) is a heavy mineral used mainly as a weighting agent in drilling fluids.
Ground to API 13A specification, it raises mud density to control formation pressure during oil and gas drilling.
| Parameter | Unit | Limit / requirement | HPG typical | Test method |
|---|---|---|---|---|
| Density | g/cm³ | min 4.20 (4.10 grade: min 4.10) | [tbc] | API 13A |
| Water-soluble alkaline earth metals, as calcium | mg/kg | max 250 | [tbc] | API 13A |
| Residue > 75 µm | % mass | max 3.0 | [tbc] | API 13A |
| Particles < 6 µm | % mass | max 30 | [tbc] | API 13A |
| BaSO4 content | % | declared | [tbc] | XRF |
Summary for orientation only. The latest edition of the referenced standard and the specification agreed in the SPA govern.
Every cargo is sampled and tested by an independent inspection company (SGS, Intertek or equivalent) at the port of loading. The buyer receives the following documents: