Limestone is widely used in many manufacturing industries such as metallurgical industry, glass manufacturing industry, etc. Specifically, in metallurgy industry, limestone makes the iron and steel smelting process become easier and especially, it helps remove impurities in steel. In the glass manufacturing industry, limestone is used in the convex glass industry, which enhances the strength of the glass during usage process and avoids the invasion of chemicals. In addition, limestone is also commonly used as a raw material for processing quicklime or aggregate (cốt liệu) in the construction of roads and bridges.
- Limestone 4 x 8 cm
- Limestone 2 x 4 cm
