Calcium Carbonate is mineral composed of three elements: Carbon, Oxygen and Calcium.  It is a non-toxic and odourless powder (CaCO3) which is found as limestone rock in all parts of the world. It supplies key minerals to crops, including calcium and magnesium, placing the physical, biological and chemical properties of soil in better balance.

Calcium Carbonate is one of the most useful and versatile materials used in the world.

Keegans GCC is of the highest quality 99% Caco3 and free from impurities which we produce at our head office in Trammon, Rathmolyon in Co. Meath.  We can produce any size/grading of ground Calcium Carbonate that would be required using our new state of the art Calcium carbonate plant.

Keegan’s Calcium Carbonate can produce any grading of GCC from less than 100 micron and upwards.

For a detailed product factsheet please contact us and we will be happy to provide one relevant to your needs.

CalciumGround Calcium Carbonate

The principal function of ground calcium carbonate (GCC) is as a filler in a diverse range of end use.

GCC is used as a calcium additive in the animal feed industry and the pharma industry, It is also used as a filler in a vast range of materials such as cement, rubber, plastics, paints, asphalt, silicone sealants, tile adhesives & grouts.  It is used in a range of household cleaning products for its abrasive properties. It is even used to for animal bedding as it is very absorbent and has antibacterial properties.  It is unquestionably a very versatile material with usage rates growing steadily worldwide for the last number of years and that trend is expected to continue.


  • Animal & Pet Feeds
  • Construction
  • Plastics
  • Rubber & Elastomers
  • Food & Pharmaceuticals
  • Environmental
  • Household
  • Adhesives & Sealants
  • Paints & Surfaces
  • Carpet Backing

Agricultural Lime

Agricultural lime is a tried and tested way for regulating the pH level in soil. More than 60% of land in Ireland needs pH regulation.

Liming may be carried out at any time when ground conditions are suitable to do so. For arable land, lime is usually applied when the land is available after harvest.

  • Lime greatly improves the availability of nitrogen, potassium and sulphur in the soil
  • Lime permits greater water penetration
  • Lime improves the intake of nutrients by crops growing in the soil
  • Keegan agricultural lime is a high calcium lime
  • Our lime has a TNV of 99
  • Department of Agriculture approved
  • We offer a prompt supply and spread service
  • Supplying Meath, Kildare, Louth, Dublin, Westmeath, Longford and Offaly region

Fine Crushed Limestone

In Ireland the animal feed and nutrition sector along with the glass manufacturing industry are the biggest users of Fine Crushed limestone. Other markets for different grades of fine crushed limestone are:

  • Industrial Fillers
  • Manufactured Sand
  • Renders / Plaster
  • Animal and Pet Feeds
  • Glass
  • Ceramics
  • Environment (desulphurisation of flue gas)
  • Floor Screeds
  • Fertilisers & Agricultural Liming