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Fire Classes: The Extra for Safety and Environment

For more than 100 years, we have been developing and producing top-class foam agents and special extinguishing agents for all fire classes, of outstanding quality for all requirements and areas of modern firefighting. 

Focus on environmental compatibility and sustainability in all fire classes
The responsible handling of the environment and its scarce resources poses high demands on modern fire protection. The development of environmentally friendly and efficient extinguishing agents based on renewable raw materials has been our focus since the early 1960s. With us, you receive not only a qualitatively outstanding foam agent with large reserves but also our expertise, support, accessibility, and commitment.

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Brandklasse A-Schaummittel are designed for extinguishing solid fuel (class A) fires, such as wood, paper, textiles, coal, hay, cotton, some types of plastics, tyres.

The use of Class B foam agents can quickly and reliably extinguish fires involving liquid and liquefiable substances. Fuels of Class B must be differentiated into non-polar (not miscible with water) liquids (e.g., gasoline, diesel, kerosene, oil, etc.) and polar (miscible with water) liquids (methanol, ethanol, isopropanol, etc.). The polarity of the fuels is crucial for the selection of applicable foam agents.

Brandklasse F-Schaummittel are used to extinguish burning food grade oil and fat in private and commercial kitchens easily and safely.


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Fluorine-free Inside Air High expansion foam

Fluorine-free, 3 % synthetic fire extinguishing foam agent that has been specially developed for particularly temperature and flue gas resistant high-expansion foam (Inside-Air).

  • Marine industry
  • Fire extinguishing systems
Fluorine-free

Fluorine-free, normal viscosity, synthetic foam extinguishing agent especially for 1% use in sprinkler and spray deluge systems on class A and B fires.

  • Fire extinguishing systems
Fluorine-free Inside Air High expansion foam

Fluorine-free synthetic fire extinguishing foam agent that has been specially developed for particularly temperature and flue gas resistant high-expansion foam (Inside-Air).

  • Marine industry
  • Fire extinguishing systems
Fluorine-free vds

Fluorine-free, alcohol-resistant fire extinguishing foam agent for use as a 3% low expansion foam in fixed systems.

  • Fire extinguishing systems
Fluorine-free vds

Newtonian, fluorine-free fire extinguishing foam agents especially designed for use with fixed systems for plastics and other solids. Its special formula enables 1:1 replacement of AFFF in already in-use fixed systems.

  • Fire extinguishing systems
Fluorine-free

Fluorine-free, pseudoplastic, yet very easily dosable foam agent for use on polar and non-polar flammable liquids.

  • Fire extinguishing systems
Fluorine-free vds

vaPUREx® FXS 3 % is a suitable alternative to fluorinated foams in fixed systems that cover non-polar as well as selected polar fire risks. Its strong fire performance allows service in foam fire extinguishing systems using foam branch pipes and foam monitors as well. Dosing is possible with many commercially available proportioning systems.

  • Fire extinguishing systems

Please contact us

Bei Fragen oder Problemen rund um das Thema Schaummittel zögern Sie bitte nicht, uns zu kontaktieren: info@sthamer.com oder direkt hier über das Kontaktformular.

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