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1. Product introduction
Stearic Acid Coated CaCO3 Powder is a form of CaCO3 powder in which the particles are coated with stearic acid or other organic compounds on the surface. This coating process helps improve the physical and chemical properties of CaCO3 powder, helping to improve product quality to meet the needs of industries requiring high quality CaCO3 powder products.
With modern technology lines imported from Europe and a quality management system according to strict ISO 9001:2008 standards. CaCO3 powder 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.
Acid-coated CaCO3 white stone powder is ground from natural white marble and has the main chemical components: CaCO3, in addition to very few other impurities such as: Fe2O3, MgO, SiO2, Al2O3,…
Outstanding uses of CaCO3 stone powder coated with stearic acid
- Helps increase the whiteness and brightness of the product
- Saves production costs
- Flexibility in product application
- Good humidity control
Particle size parameters of Thach Hien CaCO3 limestone powder (acid coated):
| TT | BRIGHTNESS | GRAIN SIZE | OIL ABSORPTION | HUMIDITY | ||
| D50 | D97 | MESH | ||||
| 1 | 98% min | D50 = 1.1±0.5µm | D97 = 5±1.5µm | 2.500 mesh | 23.00g alcohol/100g CaCO3 | 0.2% max |
| 2 | 98% min | D50 = 1.5±0.5µm | D97 = 8±2µm | 1.880 mesh | 23.00g alcohol/100g CaCO3 | 0.2% max |
| 3 | 98% min | D50 = 2.2±0.5µm | D97 = 10±2µm | 1.250 mesh | 23.00g alcohol/100g CaCO3 | 0.2% max |
| 4 | 98% min | D50 = 2.8±0.5µm | D97 = 12±2µm | 1.100 mesh | 23.00g alcohol/100g CaCO3 | 0.2% max |
| 5 | 98% min | D50 = 3.0±0.5µm | D97 = 20±2µm | 625 mesh | 23.00g alcohol/100g CaCO3 | 0.2% max |
| 6 | 98% min | D50 = 3.7±0.3µm | D97 = 25±2µm | 625 mesh | 23.00g alcohol/100g CaCO3 | 0.2% max |
| … | … | … | … | … | … | … |
Technical specifications of Thach Hien CaCO3 limestone powder:
| CHEMICAL COMPOSITION | PHYSICAL CHARACTERISTICS | ||
| Content CaCO3 | ≥ 98% | BRIGHTNESS | ≥ 98% |
| Content MgO | ≤ 0.16% | HUMIDITY | ≤ 0,2% |
| Content Fe2O3 | ≤ 0.01% | OIL ABSORPTION | ≥ 23g/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 your partner’s request
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. Note
- 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 quote:
📞 0986 306 052
🏢 THACH HIEN – The leading prestigious supplier of acid-coated CaCO3 superfine stone powder in Vietnam
