mineral · input
Limestone and Dolomite
Calcium carbonate (limestone) and calcium-magnesium carbonate (dolomite) added to glass batch to provide CaO and MgO for chemical durability and thermal expansion control. Widely available; limited concentration risk. Limestone provides ~7–10% of glass batch weight.
3
Source countries
0
Companies
1
Goods affected
0
Claims on record
What depends on it
Goods that need this input
1 essential American goods rely on limestone and dolomite somewhere upstream in their supply chain.
Where it comes from
Source countries
Share of global supply, by country.
| Country | Share of supply |
|---|---|
| USUnited States | 35% |
| CNChina | 30% |
| INIndia | 8% |