White Calcium carbonate Masterbatches
One of the most important masterbatches in the polymer industries is highly filled calcium carbonate masterbatches. This masterbatch is essentially used to reduce the price of the finished product because calcium carbonate alone does not stiff the thermoplastic blend as much as other fillers. However, calcium carbonate provides better impact resistance than some existing pigment-fillers. It is worth noting that the improper design of the formulation of these masterbatches can lead to the undesirable dispersion and distribution of calcium carbonate particles in the polymer matrix, thereby undermining the rheological properties (processability) as well as the mechanical properties of the masterbatch and the final products during production and use. On the other hand, although most calcium carbonate masterbatches can give a good white color to the final products, they cannot provide a high degree of transparency or coating. Therefore, Ciba Polymer Kabir manufactures highly filled calcium carbonate masterbatches using advanced polymer compounding equipment, the precise formulation design and applying the principles of particle size distribution and dispersion. These masterbatches are manufactured in high quality based on customer requirements using different types of thermoplastic resins and in different percentages of calcium carbonate. In addition, the company has the ability to offer dedicated grades of calcium carbonate masterbatches to customers. One of the important advantages of using Ciba Polymer Kabir calcium carbonate masterbatches can be mentioned as the increased loading of masterbatch in the final product formulation by preserving the rheological and physical-mechanical properties. In addition, the coating intensity of these masterbatches is higher than that of most calcium carbonate masterbatches available in the market. On the other hand, depending on the masterbatch grade, it is possible to enhance the physical-mechanical properties from the perspective of achieving increased elongation as well as modulus and stiffness in the final products. The major uses of calcium carbonate masterbatches include the film and polymer packaging industries including sheets and films, disposable tableware, textile sacks, injection molded and blow molded products, carton plastics, and polymer tubes.
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