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Bolztherm SWH-450

BOLZTHERM® SWH-450 is suitable for use in the liquid phase in heat transfer systems in a temperature range of -60 °C to 450 °C. The maximum film temperature of 475 °C must not be exceeded. The optimal operating range is between 30 °C and 440 °C. For applications outside this range, we recommend prior technical consultation. By arrangement, temperatures of up to 460 °C can also be transferred.

Typical propertiesUnitStandardNew conditionIn operation
Operating range[°C]--60 to 450-60 to 450
Max. flow temperature[°C]-450450
Extended max. flow temperature[°C]-460460
Max. film temperature[°C]-470470
Viscosity at 40 °C[mm²/s]DIN 51562-1approx. 15>7
Viscosity at 100 °C[mm²/s]DIN 51562-1approx. 7>1
Density at 20 °C[kg/m³]DIN 51757approx. 955950
Pour point[°C]DIN ISO 3016-60<-40
Flash point[°C]DIN EN ISO 2719>200>60
Flash point[°C]DIN EN ISO 2592>200>60
Acid number[mg KOH/g]DIN ISO 6618<0.1<0.1
Carbon residue[wt.-%]DIN EN ISO 10370<0.1<0.1
Initial boiling point at 1013 mbar[°C]->200>200

More information (downloads):

Safety data sheet:
Safety data sheet (German)

Technical data sheet:
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Technical data sheet (German)