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1. Product Introduction
Thach Hien CaCO3 stone powder is a type of stone powder created from the process of crushing natural white marble into super fine particles. To serve the needs of our partners, Thach Hien currently produces and distributes 2 types of acid-coated and acid-coated limestone powder with various sizes and brightnesses suitable for many fields.
With modern technology lines imported from Europe and a quality management system according to strict ISO 9001:2008 standards. Superfine stone powder (CaCO₃) is widely used in many fields such as construction, plastic, paint, putty, paper, agriculture, animal feed, rubber, cosmetics, pharmaceuticals, environmental treatment,…
2. Product Features
The superfine limestone powder products provided by THACH HIEN are exploited and produced directly from the quarries of Nghe An province. This is one of the provinces with the largest white limestone reserves in Vietnam. The higher the calcium carbonate content in the limestone powder, the higher the quality of the product.
White limestone powder CaCO3 is ground from natural white stone, with the main chemical components being: CaCO3, in addition there are very few other impurities such as: Fe2O3, MgO, SiO2, Al2O3,…
Particle size parameters of Thach Hien CaCO3 stone powder (not acid coated):
| STT | GRAIN SIZE | ||
| 1 | D50 = 1±0.02µm | D97 = 4±0.5 µm | |
| 2 | D50 =1.1±0.5µm | D97 = 05 ±1.5 µm | 2.500 mesh |
| 3 | D50 =1.5±0.5µm | D97 = 08 ± 2.0 µm | 1.880 mesh |
| 4 | D50 =2.2±0.5µm | D97 = 10 ± 2.0 µm | 1.250 mesh |
| 5 | D50 =2.8±0.5µm | D97 = 12 ± 2.0 µm | 1.100 mesh |
| 6 | D50 =3.0±0.3µm | D97 = 20 ± 2.0 µm | |
| 7 | D50 =3.7±0.3µm | D97 = 25 ± 2.0 µm | |
| 8 | D50 =4.7±0.3µm | D97 = 30 ± 2.0 µm | |
| 9 | D50 =6.7±0.3µm | D97 = 35 ± 2.0 µm | |
Technical specifications of Thach Hien CaCO3 stone powder:
| CHEMICAL COMPOSITION | PHYSICAL CHARACTERISTICS | ||
| Content CaCO3 | ≥ 98% | Bright whiteness | ≥ 98% |
| Content MgO | ≤ 0.16% | Humidity | ≤ 0,2% |
| Content Fe2O3 | ≤ 0.01% | Oil absorbency | ≥ 24g/100g CaCO3 |
| Content Al2O3 | ≤ 0.04% | Density | 2.7g/cm3 |
| Content SiO2 | ≤ 0.01% | Loss on ignition | ≤ 43,08% |
| Content Na2O | ≤ 0.16% | pH | 8.0 ÷ 9.0 |
With over 16 years of experience in the field of supplying CaCO3 stone, Thach Hien is committed to providing products that meet high quality standards, uniform in size, whiteness and purity.
3. Product packaging specifications
- 25kg bag
- 50kg bag
- 1350kg jumbo bag
- Thach Hien can pack according to the specific requirements of our partners
All products are securely packaged by Thach Hien, stored in dry conditions, away from moisture to ensure cleanliness and stable quality of stone grains when they reach customers.
4. Notes
- Store in a cool, dry environment, avoid sunlight, avoid areas with high humidity
- Cover the bag tightly to avoid affecting the environment and human health
Please contact us for the earliest consultation and quotation:
📞 0986 306 052
🏢 THACH HIEN – The leading prestigious supplier of superfine CaCO3 stone powder in Vietnam
