Glikospec G13 concentrate
"G13 Concentrate is a concentrate of coolant based on ethylene glycol, glycerin and organic inhibitors combined with mineral inhibitors - silicates (Si OAT), LOBRID type. The addition of 20% glycerine improves heat dissipation, which in particular protects aluminum in Hi-Tech engines against high temperature. Does not contain nitrites, amines, borates and phosphates. A special package of corrosion inhibitors provides maintenance-free protection against freezing and boiling, and long-term protection against corrosion. "