Ground limestone powder - Calcium carbonate CaCO3

Unslaked ground limestone as a filler for concrete and asphalt

With its high share of calcium carbonate, ground limestone from KFN is a product with a wide range of uses. Our limestone products are used, inter alia, in road construction and in the construction materials industry, in agriculture and forestry and in environment protection.

Unslaked ground limestone

For KFN ground limestone, we grind the unslaked limestone from the Elggis mountain in our roller mill. Our two ground limestone products nekafill® 15 and nekafor® 15 are produced in fine grain sizes. nekafill® 15 is needed as a filler for concrete and asphalt, while nekafor® 15 is used as a lime fertilizer in agriculture and forestry.

nekafor® 15 and nekafill® 15 in any order size

You will receive our ground limestone precisely in the quantity you ordered. Whether in bulk via rail or in PE plastic bags of 20 kg each or in big bags of 1000 kg volume via truck, our products nekafill® 15 and nekafor® 15 will be shipped straight from our silo to you.

Toughest criteria fulfilled

For their use in the production of concrete or in asphalt or mortar, our ground limestone nekafill® 15 meets each of the tough criteria.

Production of concrete

With KFN’s limestone filler nekafill® 15 self-compacting concrete will pass any performance test due to its outstanding flow properties.

Ground limestone products


Swiss Lime

Chemistry & Plastics

Efficient chemical processes and innovative plastics thanks to the incomparably pure hydrated lime from KFN.

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Food & Medicine

Healthy, enjoyable food starts with white lime from our factory. It has been certified according to ISO 22000 for food and animal feed uses.

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Swiss Lime

Industry & Construction

The buildings, roads and pathways of tomorrow are built using the finest Swiss white lime-products from KFN.

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Swiss Lime

Agriculture & Environment

Sustainable farming and healthy growth made possible using the high quality, pure lime products by KFN.

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Swiss Lime

Life Science

You will find innovative ideas for health and quality-of-life-products in the pure white lime coming from KFN – lime that has been certified for food and drinking water uses. 

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