Taical seeds have the main ingredient CaCO3 – a compound available in nature. They are found both in geological deposits and in the biology of living organisms. Calcium carbonate is an indispensable ingredient in eggshells and shells of marine organisms (oyster shells, sea shells, snail shells, and even corals). However, the main resource supplying CaCO3 comes from limestone quarries. In nature, CaCO3 exists in three main crystalline allotropes: calcite, aragonite, and vaterite. However, due to the suitability of calcite’s crystal structure, it is the most commonly used one because it has the most commercial applications.
The physical properties that taical particles have are due to the properties of CaCO3
As a high content ingredient in taical granules, pure calcium carbonate is solid (usually in the form of a fine powder), white and odorless with a melting point ranging from 800 to 1400°C. Their molecular mass is 100.087 g/mol.
Chemical properties of taical particles affected by CaCO3
The reason why manufacturers can widely use taical beads in plastic production is that the chemical properties of both CaCO3 and plastic are not changed when mixed with many different types of resins and additives. In addition, calcium carbonate is also insoluble in water, stable at normal temperature, and reacts only with a few strong acids (such as HCl), moderate (such as sulfamic), or weak acids (acetic, citric, phosphoric, etc.). lactic, sorbic). Thanks to these properties, plastic products made from taical granules will be applied in a variety of fields, including those that focus on user safety such as the food and beverage industry. drink.
Taical beads are made from 2 common types of CaCO3:
In the filler masterbatch industry, they are used in two forms: coated CaCO3 and uncoated CaCO3. Coated CaCO3 is mainly mined from limestone or white marble quarries with high purity, only uncoated CaCO3 differs in that they are coated with a fatty acid (stearic acid) and binder (Titanate). Coupling Agent) onto the surface.
In general, the physical and chemical properties of these two types of CaCO3 are not significantly different. Most of the physical properties like whiteness, brightness, moisture content, weight, pH, etc. no change at all. Only with oil absorption, the uncoated CaCO3 is much better (30.08g/100g compared to the coated CaCO3 which is only 18.71g/100g).

VDragon offers an extensive and diverse set of Coated and Uncoated Calcium Carbonate products, suited for a wide range of applications. Leveraging years of industry experience and our global research & development teams, we are able to provide guidance on how to best utilize our minerals and are capable of creating custom products to achieve the desired benefits of our customers’ end products. We strive to innovate and develop our products in order to provide cutting-edge technology with our cost-effective formulations.

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