About Vermiculite

Vermiculite – raw material for the future.

Under the protected trademark of THERMAX®, we produce and sell efficient vermiculite products applicable in the areas of industrial high-temperature insulation, private fireplaces and furnaces, and fire protection.
In a hot pressing process especially developed for our products, expanded vermiculite is pressed into large boards. THERMAX® stand out due to their easy handling and workability. They are lightweight and can be worked easily and with minimal dust generation. They are therefore especially well-suited for drywall installation. Vermiculite can be conveniently cut or otherwise modified with any woodworking tool. Unused material can be composted. For application as drywall board, the light weight of the material and its easy workmanship are key.
THERMAX® boards are resistant to mold and bacteria (VDI 6022), and are suitable for use in ventilation and air conditioning systems.

We provide the appropriate insulation for every temperature.

Vermiculite is a material with a long tradition and a promising future. Its outstanding technical properties make it an ideal thermal insulation material for our products. Vermiculite will not burn, nor is it combustible. Pressed vermiculite has a smooth, solid surface and – once shaped – is not susceptible to losing its form. TECHNO PHYSIK Engineering GmbH uses individually developed tools to produce specific molded parts to accommodate almost any furnace shape or creates them with high-precision CNC milling machines.

Vermiculite is:

  • Fibreless
  • Non-toxic
  • Odorless
  • Easily workable
  • Lightweight
  • Acid resistant
  • Fire resistant
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Examples for application of THERMAX® molded parts

  • Induction furnaces
  • Aluminum smelting furnaces
  • Automotive industry
  • Foundries
  • Industrial smokestacks
  • Power plant boilers
  • Coking plants
  • Metals
  • Smelting
  • Metallurgical furnaces
  • Waste incineration plants
  • Open fireplaces, furnaces, and tiled stoves
  • Ship building
  • Forging furnaces
  • Steel mills
  • Tunnel kiln / tunnel kiln car
  • Fluidized bed combustion systems
  • Sugar refineries

Vermiculite is a natural, surface-mined mineral in the trilayer silicate group and is closely related to the more well-known mineral, mica. What makes this mineral special is its ability to release the water trapped within its layers when heated to approx. 1000 °C and to thereby expand to 15 or 20 times its original volume.
Due to the high temperature, the material is sterilized and thus germ-free. The so-called exfoliated (expanded) vermiculite is a straw-colored, bulk material with low volume weight.