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 characteristics	Unit	Standard	Value
Area of application	[°C]	-	12 to 400
Max. flow temperature	[°C]	-	400
Max. film temperature	[°C]	-	430
Viscosity at 40 °C	[mm²/s]	DIN 51562-1	4.03
Viscosity at 100 °C	[mm²/s]	DIN 51562-1	0.99
Density at 20 °C	[kg/m³]	DIN 51757	1064
Pourpoint	[°C]	DIN ISO 3016	12
Flash point	[°C]	DIN EN ISO 2719	110
Flash point	[°C]	DIN EN ISO 2592	124
Acid value	[mg KOH/g]	DIN ISO 6618	≤ 0.2
Coke residue	[w.-%]	DIN EN ISO 10370	< 0.1
Boiling point at 1013 mbar	[°C]	-	257

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