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Bolztherm AW-75

BOLZTHERM® AW-75 is a synthetic heat transfer fluid specially developed for high-temperature applications. BOLZTHERM® AW-75 can be used in pressurized systems within a temperature range of 257 °C to 400 °C, ensuring the maximum film temperature does not exceed 430 °C. The optimal operating range is between 20 °C and 390 °C.

Typical propertiesUnitStandardValue
Operating range[°C]-12 to 400
Max. flow temperature[°C]-400
Max. film temperature[°C]-430
Viscosity at 40 °C[mm²/s]DIN 51562-12.57
Viscosity at 100 °C[mm²/s]DIN 51562-10.99
Density at 20 °C[kg/m³]DIN 517571064
Pour point[°C]DIN ISO 301612
Flash point[°C]DIN EN ISO 2719110
Flash point[°C]DIN EN ISO 2592124
Acid number[mg KOH/g]DIN ISO 6618≤ 0.2
Carbon residue[wt.-%]DIN EN ISO 10370< 0.1
Initial boiling point at 1013 mbar[°C]-257

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Safety data sheet:
Safety data sheet

Technical data sheet:
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Technical data sheet