Whether keeping buildings cool, refrigerating food or harnessing solar energy, whatever your application, Clariant’s versatile Antifrogen Heat Transfer Fluids offer maximum protection against corrosion and frost for more sustainable installations.
Take advantage of our 40+ years’ expertise, online calculation tool and Antifrogen services to design the optimal safe system for your application needs.
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Antifrogen L and its dilutions in water are currently in the recertification process of the VdS which is important for VdS certified sprinkler systems. Due to delays, the certificate expires on March 15, 2022. Recertification is expected to be completed by mid-May 2022. The new certificate will then be valid retrospectively as of March 15, 2022 and can then be submitted to you later if necessary.
Due to changes in the certification process of the VdS, only the following distributors are allowed to sell VdS certified Clariant products, beginning 15.03.2022 :
List of VdS-Distributors
To be announced soon
Antifrogen Online Calculator
With the help of this program you may run a variety of calculations for the use of Antifrogen.
Antifrogen analysis service for your installations
The performance of Antifrogen / water mixtures should be checked approximately every two years.
Check below the detailed process of getting a voucher and sending a sample.

To purchase a voucher, please contact your distributor where you buy Antifrogen from.
Frequently asked questions
What remains unchanged?
- You register your samples via the sample submission page (noting your voucher number)
- You send in your sample
- You receive a detailed analytical report for your specific sample
- A recommendation on further usage will be provided by our technical experts based on their years of experience
What is new?
- Your distribution partner will automatically receive a copy of the report so you can explore the next steps which suit your specific application together
- You will obtain a voucher from your Antifrogen distributor partner to enable your sample analysis
Are you a distributor?
Then you can access the Distributor Portal by clicking on this link.
Any questions?
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