Short Description: STAUBCO® Geo L
STAUBCO® Geo L is an antifreeze based on monopropylene glycol that is used especially in geothermal energy. It ensures optimum heat transfer and frost protection, particularly in geothermal systems such as brine-to-water heat pumps. Other areas of application include heating and cooling systems based on renewable energies and industrial applications.
STAUBCO® Geo L is available as a concentrate and can be diluted with water to the desired grade. It can be mixed with all antifreezes based on monopropylene glycol.
STAUBCO® Geo L is available in different packaging sizes.
Technical data (typical values of the concentrated product)
Guide values only (no specification values)
Basis | monopropylene glycol |
---|---|
Density (20°C) | approx. 1.042 g/cm³ |
pH value | approx. 8.5 |
Reserve alkalinity | approx. 8 ml (0.1 M HCl) |
Appearance | clear, possibly specifically colored liquid |
Flash point | > 100°C |
Boiling point | > 150°C |
Refractive index nD20 | approx. 1.431 |
Electrical conductivity (20 °C) | approx. 140 μS/cm |
Viscosity (20°C) | approx. 50 mm²/s |
Application instructions
Material compatibility
of STAUBCO® Geo L
The ingredients of STAUBCO® Geo L have been carefully matched to the materials used in plant construction. Metals, plastics and sealing materials are not attacked by STAUBCO® Geo L. The following materials met the requirements in the test:
Material | Max. permitted value according to ASTM D 1384 (g/m²) |
---|---|
Copper | 3.6 |
Soft solder | 10 |
Brass | 3.6 |
Steel | 3.6 |
Cast iron (grey cast iron) | 3.6 |
Cast aluminium | 10 |
Galvanized system components should be avoided, as zinc is not resistant to glycols.
Anti-freeze properties
of various dilutions
STAUBCO® Geo L is available as a concentrate and can be diluted with water to the desired degree.
Do you need a special ready-to-use solution? Please contact us!
Percentage of STAUBCO® Geo L [Vol.-%] | Percentage of water [Vol.-%] | Anti-freeze protection |
---|---|---|
25 | 75 | -10°C |
30 | 70 | -13°C |
35 | 65 | -17°C |
If you dilute STAUBCO® Geo L, please note that the proportion of STAUBCO® Geo L must be at least 25 % by volume. If the product content is lower, your system is no longer sufficiently protected against corrosion.
Package sizes
Choose your preferred packaging size
- 20 kg canister
- 30 kg canister
- 60 kg canister
- 200 kg drum
- 1,000 kg IBC
- road tankers with capacities ranging from 2,000 to 30,000 liters
Buy STAUBCO® Geo L online
STAUBCO® Geo L is the perfect product for you? Then order it right away in our online store.
Service & Support
Contact
STAUB & CO. - SILBERMANN
David Tichy
Team Leader Sales Renewable Energies / Product Management FE Sorp®