Mayline FSP 25

Heat transfer fluid ready-to-use

Inhibited, NON-TOXIC, ready-to-use propylene glycol based heat transfer fluid for solar- and geothermal systems

Mayline FSP25 is a ready to use, high performing, non-toxic heat transfer fluid based on propylene glycol, free from nitrites, amines and phosphates, silicates and borates, combined with a protective package of inhibitors. This specifi c formulation avoids the formation of rust and corrosion on all materials present in solar- or geothermal systems such as iron, steel, copper (and its alloys), aluminium (and its alloys), synthetic materials (eg PEX pipe) and mixed materials (eg multilayer pipe) and protects too gaskets and seals. Mayline FSP25 has frost protection down to -25°C.


Code | Package: 10/MYFSP25 | 10 kg canister
20/MYFSP25 | 20 kg canister
25/MYFSP25 | 25 kg canister
200/MYFSP25 | 200 kg drum
1000/MYFSP25 | 1000 kg IBC
Important note: Restore the system with a cleaner such as Mayline SOLAR, and then thoroughly rinse the system with the clean water before inserting Mayline FSP25 with clean water. Mayline FSP25 can be mixed with the self sealing liquid Mayline F, but NOT with other chemicals or substances. Antifreeze mix of glycol/water with a pH value lower than 7.5, must be replaced.
Instructions for use: To restore systems with heat transfer fluid, empty the circuit and load with the clean water, than use a cleaner as Mayline SOLAR for removing the degraded heat transfer fluids. For further details, see the technical data sheet of Mayline SOLAR. After clean and rinse the system, fill the system completely with Mayline FSP25.
Safety informations: In the event of eye contact, rinse eyes thoroughly with much water and consult a doctor. In the event of skin contact, rinse well with water. Wear gloves and protective eyewear. Use water to immediately remove the product from objects such as tiles, flooring, wash basins, etc. Keep out of reach of children!
Mixing proportions: Refer to the material safety data sheet (MSDS)
Transport: The product is not hazardous for transport. The indications are provided based on actual experience. Technical changes are possible.
Disposal: For information concerning waste disposal/effluent, please consult the corresponding safety data sheet.
Shelf life: Shelf life 5 years (from date of manufacture)

Technical Datasheet