Vietnam has become one of the most important sources of quality limestone and calcium carbonate products for many industries around the world. With abundant reserves and advanced processing capabilities, Vietnamese calcium carbonate is widely used in construction, plastics, paper, paint, and many other manufacturing sectors. In this article, we will explore Vietnam calcium carbonate limestone, its characteristics, applications, and production capacity in detail.
What are Limestone and Calcium Carbonate Powder?
Limestone
Limestone is a type of sedimentary rock, whose chemical composition is mainly calcium carbonate (CaCO₃). Limestone is very common and can be found around the world in sedimentary, metamorphic, and igneous formations. It rarely appears in a pure form and is usually mixed with impurities such as siliceous shale, silica, marl, clay, mud, and sand. Because of this, its color can range from white to ash gray, light blue, yellow, pink, or black.
Calcium Carbonate Powder
Calcium carbonate powder is a type of powdered stone produced by grinding limestone, and its main component is also calcium carbonate (CaCO₃). It is commonly used as a filler in many industries to improve the properties of products and to reduce the cost of the final product.
To produce ultra-fine white limestone powder, large blocks of limestone with high CaCO₃ content and no impurities are first selected, then cleaned and crushed into coarse stone pieces. Next, the stone goes through multiple grinding stages, from coarse to ultra-fine, combined with continuous screening to remove dust and impurities. This process results in a final product that is pure white limestone powder, so fine that it feels completely smooth to the touch.

Calcium Carbonate Powder
Applications of CaCO3 products
Limestone and limestone-based products are widely used in many industries. Specifically:
Construction: Limestone is an important raw material, accounting for about 80% of the main components used in cement production. On average, 1.33 million tons of limestone are required to produce 1 ton of cement. In addition to cement production, powdered limestone is also commonly used in the manufacturing of paint, non-fired bricks, terrazzo tiles, and asphalt concrete, helping to increase durability and reduce production costs.
Glass and ceramics manufacturing: The calcium carbonate in limestone powder helps increase transparency and hardness, reducing the risk of cracking in glass and ceramic products.
Paper production: The paper industry is also a major consumer of limestone powder. It helps increase whiteness and smoothness, and improves the strength of paper without affecting its surface gloss. Using limestone powder also reduces the amount of wood needed, which lowers production costs and helps protect forest resources.
Plastic and rubber manufacturing: CaCO₃ limestone powder is used as a filler in plastic products to enhance whiteness, increase hardness, and improve the smoothness of the product surface.
Iron and steel production: In the iron and steel smelting process, limestone is used as an additive to remove silicon dioxide (SiO₂ — a component also found in clay) from molten iron. The removed impurities then form blast furnace slag (CaSiO₃).
Agriculture: Limestone is used for various purposes such as soil disinfection, wastewater treatment for aquaculture ponds, and disinfecting livestock barns and farming areas.
Healthcare: Calcium carbonate is used as a calcium supplement for humans and as a base ingredient in tablet medications.

White calcium carbonate (CaCO3) powder is a raw material for many different industries such as the production of paint, paper, plastics, medical rubber, etc.
Limestone CaCO3 Capacity In Vietnam
Vietnam is one of the countries with large reserves of high-quality limestone. Limestone in Vietnam covers 50,000–60,000 km² of the mainland, equivalent to 20% of the country’s total area. As of 2022, 274 limestone mines had been surveyed, with recorded reserves of 47.5 billion tons.
Limestone resources in Vietnam are distributed across many provinces throughout the country. This abundant and widespread resource provides favorable conditions for the development of the industrial lime production sector. Regarding white limestone with high CaCO₃ content, the two provinces with the largest reserves in Vietnam are Nghe An and Yen Bai.
Vietnam is one of the world’s major exporters of limestone and is capable of supplying significant quantities to the global market. The countries importing the most limestone from Vietnam include South Korea, Indonesia, India, and China.
For white limestone powder, this product is currently produced in both coated and uncoated forms in Vietnam and has been exported to many countries, including India, Bangladesh, Thailand, Brunei, South Korea, Japan, Hong Kong, and Sri Lanka.

Vietnam is one of the countries with large reserves of high-quality limestone
Which Limestone Materials Can Be Found In Vietnam?
With abundant limestone reserves, limestone materials from Vietnam are chosen by many countries around the world. Vietnam is capable of supplying high-quality limestone and limestone powder that meet the requirements of various foreign industries.
White Limestone CaCO3 98% Min
Limestone lump is calcium carbonate in large shape and favored by foreign customers particularly.
Specification:
- Size 0-40 cm
- CaCO3 content>98%
- Whiteness >96%
Packing: Bulk cargo or jumbo bags.

White Limestone
Calcium Carbonate powder
White limestone powder is widely used in many industries. Some types of white limestone powder commonly found in Vietnam include:
- Coated Calcium Carbonate Powder
- Uncoated Calcium Carbonate Powder
Specification
- Color: White or off-white
- Fineness: D97 = 10 –150 µm (produced according to customer requirements)
- Whiteness: 95–98%
- Brightness: 95–96%
- CaCO₃ content: 92–98%
Packing: 25kg or Jumbo bag.

Calcium Carbonate powder
Viego Global – Your Trusted Sourcing Partner In Vietnam
Given that Vietnam has a big capacity of Calcium carbonate it is not easy to find a trustworthy supplier of mineral raw materials to work with, however. Let’s answer the questions below before conducting your sourcing:
- Are you going to import Limestone-based products from Vietnam?
- Are you looking for a trusted Vietnamese supplier for different Calcium carbonate powder?
- Are you finding Vietnamese Calcium carbonate with high quality and competitive prices?
If your answer is yes for all, please feel free to contact us at:
- Whatsapp line: +84 56 264 6315
- Email: hello@viegoglobal.com
Being present at the economic center of Vietnam, Viego Global can greatly help you professionally source and execute orders, providing maximum benefits to our clients in terms of delivering a wide range of products at the best competitive pricing. Please contact us HERE for further support about the Vietnam Calcium carbonate Industry!