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Precipitated Calcium Carbonate and its various applications

Precipitated Calcium Carbonate or PCC is refined, purified and synthetic calcium carbonate which has the same chemical formula, CaCO3 like other calcium carbonates of chalk, limestone and marble. PCC is produced by calcination of Limestone with the highest percentage of Calcium Carbonate with lowest amount of Silica, Iron, Magnesia and other natural impurities. The process gives Calcium Oxide which is slacked to produce Lime Slurry. It is further carbonated to form Precipitated Calcium Carbonate under controlled conditions. This is an innovative product obtained from lime. Precipitated calcium carbonate manufacturers also make it by hydrating quicklime which is highly rich in calcium and, the slurry, or "milk-of-lime", thus produced, is then reacted with carbon dioxide. The obtained product has an identical narrow particle size distribution and it is extremely white. Precipitated Calcium Carbonate is available in a large number of crystal morphologies and sizes and can be customised for optimising performance in a definite application.

Applications of Precipitated Calcium Carbonate (PCC):

  • Paper Industry: Precipitated Calcium Carbonate is a widely used product in paper industry. It is well established as a filler and coating pigment for producing paper products of premium quality. It is produced in the form of slurry at precipitated calcium carbonate plants which are situated near paper mills. PPPC brings lots of advantages to paper products. It improves the print characteristics and optical properties, enhances the productivity of paper machine and reduces the cost of paper-making to a great extent. Otherwise, a huge amount of money would have to spend for buying more expensive optical brightening agents and pulp fibre. PPC ensures the brightness of paper through constantly improving quality targets. This is why is Precipitated Calcium Carbonate is an important factor in paper industry.
  • Polymer Applications: PCC has the ability of achieving small particle sizes and unique crystal shapes and using this property, it is used in various industrial purposes. In PVC (polyvinyl chloride) like vinyl siding and fencing, Precipitated Calcium Carbonate improves impact strength. Nano PCCs are used to control sag and viscosity in construction sealants and automotive.
  • Healthcare Applications: PCC is a good acid neutralizer and used in calcium-based antacid liquids and tablets. It contains high amount of calcium and therefore, helps in the formulation of calcium supplements and mineral tablets. PCC is commonly used in developing calcium fortified beverages and foods.
  • Paints: Precipitated calcium carbonate specification makes it widely used as extenders in paint and inks for increasing porosity and opacity for dry hiding. Flexographic, lithographic, gravure or silk screen printing inks are formulated with PCC; it improves quality and at the same time reduces costs.

Precipitated calcium carbonate manufacturers use PCC as a versatile additive for using in a huge range of elastomeric and plastic applications. In the precipitated calcium carbonate msds all details regarding the chemical make-up, use, storage, handling and potential health effects are stated which are quite helpful in effective usage of PCC. Being a unique class additive PCC is multi functional and provides an outstanding performance opportunity for the end user.