Antifreezing additive with inhibiting treatment to control corrosions, encrustations and the microbiological growth in any kind of heating system, included those systems containing aluminium components. PROTECT - NO FREEZE can be used with any type of soft or hard water. It is a colourless product with low toxicity, which is easy to be used. Physical properties: Colourless transparent liquid - Specific density: 1.04 (20 °C) - (concentrated) pH about 8.4 The dosage of PROTECT - NO FREEZE depends on the level of protection against the cold climate: Dosage: 20% suitable up to –6 °C Dosage: 30% suitable up to –11 °C Dosage: 35% suitable up to –15 °C Package: 20 L.