Kalkstein Kalk Glarus

Swiss aggregate


Kalkstein Kalk Glarus

Swiss lime


Kalk Chemie Kunststoff

Swiss Lime

Chemistry & Plastics

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

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Swiss Lime

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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Kalk Industrie Bau

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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Kalk Landwirtschaft Umwelt

Swiss Lime

Agriculture & Environment

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

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Kalk Life Scienece

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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Your Advantages

Product Quality plus incomparable service

  • Lime with calcium carbonate content reaching above 99%
  • Highest purity, lowest iron and lead content in Europe
  • Calcium hydroxide content reaching above 98%, remaining CO2 <0,7%
  • Extra fine calcium hydroxide for faster chemical reactions (100% < 0,02 mm)
  • High CaO-reactivity with t60-value under 40 seconds
  • Highest white level without black spots, 96,8% (Spectro Color, Ry)
  • Certified for food, animal feed and drinking water processes and products according to ISO 22000
  • Maintenance of highest quality standards ensured through quality management system.

About KFN

Pure Quality

Living from lime. Living with lime.

Kalkfabrik Netstal (KFN) is the only producer of white lime products in Switzerland. Using the most modern technology and benefitting from decades of experience, we produce roughly 90,000 metric tons for customers worldwide at our site at Elggis mountain in the Swiss canton of Glarus. Our assortment of white lime products comes with a purity of more than 98% calcium carbonate. This makes fine white lime from KFN unique and ideally suited for numerous fields of application.

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KFN News

Whether as a calcium additive for foods and feeds, pharmaceutical solutions or as a highly pure acid scavenger in plastics: Due to its consistently high and outstanding quality, lime from the Swiss Netstal valley is a partner in all these fields.

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Wound healing using lime hydrate patented

The disinfecting effects of lime have been known for centuries. Now, lime hydrate can be used directly for wound healing. In a current patent filing, the wound healing effects of a mixture of a preparation of lime hydrate and oil are described. The highly pure calcium hydroxide from KFN is ideally suited for this disinfecting effect.

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Trust our expertise


KFN offers a wide range of services: we give competent advice, we offer comprehensive lab analyses and provide individual logistic solutions.

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