Calcium Carbonate Lumps
Raw selected white stone for buyers who grind their own, and for glass, steel and lime production.
Overview
About this product
Calcium carbonate lumps are selected white limestone or marble, supplied as raw stone with no milling. Stone is sorted by colour and purity before it is loaded.
Lumps suit buyers who run their own crushing and grinding plant, and industries that use stone directly, such as glass, steel and lime production.
- 50 to 300 mm
Sizes
Available sizes.
50 to 300 mm
Typical lump size. Other ranges can be quoted.
Specification
Specification table.
| Property | Typical value |
|---|---|
| CaCO3 content | 97% minimum |
| Whiteness | 90% or higher |
| Brightness | 90% or higher |
| Moisture | 0.5% maximum |
| Particle size, D50 | Not applicable (lump) |
| Particle size, D97 | Not applicable (lump) |
| Oil absorption | Not applicable (lump) |
| pH | 9 to 9.5 |
| Specific gravity | About 2.7 |
| Mohs hardness | 3 |
Typical values. A technical data sheet and certificate of analysis are provided with every quotation.
Benefits
Key benefits.
- Natural white colour from selected stone
- No milling cost for buyers who grind their own
- Suits glass, steel and lime production
- Sizes confirmed in the quotation
Applications
Where it is used.
- Grinding by the buyer
- Glass production
- Steel production
- Lime production
Linked uses open the matching section of the Applications page.
Packing
Packing options.
- Jumbo bags, 1 to 1.25 tonne
- Loose loaded in the container
- Custom branding on request
Palletised or loose loaded, with custom branding on request. See Quality and Logistics for shipping terms.
Related
Related products.
- Photograph to comeCalcium carbonate chips and granules
Calcium Carbonate Chips and Granules
Sized grades for terrazzo, artificial stone, animal feed grit, construction and landscaping.
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Uncoated Calcium Carbonate Powder
Ground to mesh grades for paint, paper, putty, adhesives, ceramics and rubber.
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Tell us what you need and we will send a quotation.
Send the product, grade, quantity and destination port. A technical data sheet and certificate of analysis are provided with every quotation.