Bolztherm WE
BOLZTHERM® WE is a versatile cooling and heat transfer fluid based on ethylene glycol with high-performance corrosion inhibitors and can be used in a temperature range of -50 °C to 170 °C. The contained corrosion inhibitor package is free of amine, borate, phosphate, nitrite, and CMR substances (carcinogenic, mutagenic, reprotoxic). BOLZTHERM® WE meets the corrosion test according to ASTM D 1384. Mixed with water, BOLZTHERM® WE offers reliable and long-lasting protection for closed heating and cooling circuits against frost, corrosion, and deposits. BOLZTHERM® WE is excellently suited for building air conditioning as well as for cooling and heating industrial processes.
| Typical characteristics | Unit | Value |
|---|---|---|
| Density at 20 °C | [kg/m³] | 1114 |
| Refractive index at 20 °C | [-] | 1.432 |
| pH value at 20 °C, 33 vol.-% in deionized water | [-] | approx. 8 |
| Kinematic viscosity at 20 °C | [mm²/s] | 30 |
| Boiling point at 101 kPa | [°C] | approx. 170 |
| Surface tension at 20 °C, 33 vol.-% in deionized water | [mN/m] | approx. 34 |
| Electr. conductivity at 20 °C, 33 vol.-% in deionized water | [μS/m] | approx. 3000 |
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