HS 2530.90Industrial minerals
Natural Pozzolan
- Spec
- ASTM C618 Class N
- Packing
- Bulk vessel · Big bags
- Use
- Blended cement, concrete
Crushed basalt in graded fractions for concrete, asphalt wearing courses and railway ballast.
Crushed basalt is a hard, dense igneous rock with high resistance to abrasion and weathering.
It is supplied in graded fractions for concrete, asphalt and railway ballast, where strength and polishing resistance matter.
| Parameter | Unit | Limit / requirement | HPG typical | Test method |
|---|---|---|---|---|
| Grading (fractions) | mm | 0–5 · 5–10 · 10–20 | [tbc] | EN 933-1 |
| Los Angeles coefficient | % | per category | [tbc] | EN 1097-2 |
| Water absorption | % | per category | [tbc] | EN 1097-6 |
| Particle density | Mg/m³ | declared | [tbc] | EN 1097-6 |
| Flakiness index | % | per category | [tbc] | EN 933-3 |
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: