Geo-Tec Flat Solar Panel Accessories
ACCESSORIES HEAT TRANSFER MEDIUM
Propylene
glycol
Specifications:
- Appearance: colourless
- Vapour pressure at 20°C: 23 mbar
- Density (20°C): 1.04-106 g/cm³
- Not an irritant
Characteristics:
- An odourless, hygroscopic liquid
- Based on 1.2-propylene glycol
- Food-safe
- Protects through special inhibitors against corrosion, aging and encrustation
- Completely mixable with water
- No nitrite, phosphate or amine
- Mixes with all common commercially available antifreeze agents based on 1.2-propylene glycol
- Biologically degradable
Use:
- No continuous temperatures over 170°C as this would result in aging of the antifreeze medium
- Do not use with heat exchangers galvanised on the primary side
Storage:
- Only store in the original container
- Three-year shelf life
Disposal:
- In accordance with ÖNORM S 2100
Waste key number: 55370
ETHYLENE GLYCOL & PROPYLENE GLYCOL MUST NOT BE MIXED!!!
Ethylene glycol
Specifications:
- Appearance: yellowish
- Vapour pressure at 20°C: 0.067 mbar
- Density (20°C) 1.113-1.114 g/cm³
- pH-value at 20°: 6.5-7.5
- Toxic
Characteristics:
- Viscous 107-21-1 glycol
- Toxic





