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Cales de Llierca and Precipitated Calcium Carbonate on TV3

The Cales de Lierca Company, part of the Calcinor Group, was recently the subject of a report broadcast on TV3, a television channel run by the autonomous Catalonian government. The report highlighted the peculiar nature of this company, one of the few in Europe that manufactures Precipitated Calcium Carbonate (PCC). This is why around 70% of its annual production is exported.

Located in Argelaguer in the province of Girona, Cales de Llierca extracts its raw materials (limestone) from its own quarry, transforming it into quicklime, the starting point in the process for the manufacture of Precipitated Calcium Carbonate. A complex process that requires a lot of research and close collaboration with customers.

In the TV report the Sales Manager at Cales de Llierca, Alex Olivé, explains that the product manufactured there needs a long maturation time and undergoes tests so as to get the appropriate formula. “This is the only way to get a stable finished product. And if you do not have the right type or depth of experience you cannot achieve an appropriate end product and the formulas are not so effective” he adds.

Precipitated Calcium Carbonate (PCC) is the most complex product of all those produced by Cales de Llierca. Special monitoring of the process is required in addition to an extensive knowledge of the different parameters involved in the precipitation reaction and later treatments.

Through the modification of the aforementioned parameters, specific characteristics of the Precipitated Calcium Carbonate (PCC), brand name CALPREC®, are very accurately selected in accordance with the specific use that it will be put to.

Moreover, the great advantage of the Precipitated Calcium Carbonate (PCC) CALPREC® brand, is the possibility of creating different crystalline shapes that result in physical properties adapted to each particular industrial application.

For example, the opacity and whiteness of the Precipitated Calcium Carbonate (PCC) are important characteristics in certain applications (in paint and paper), whilst in others the rheological behavior is critical (sealants). Hence, different types of Precipitated Calcium Carbonates (PCC) CALPREC® are different from each other, and the distinct uses that they are put to in different sectors must be specified in collaboration with every client.

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