Ferrofluid

Audio / Loudspeakers

APG CDF 2250

APG CDF 2250 Specifications and Physical Properties
Typical Application Compression driver
Appearance black-brown or red-brown viscous fluid
Carrier Liquid synthetic ester oil
SI Units
Saturation Magnetization (Ms)		 22.0 mT
SI Units
Viscosity @27°C		 500 mPa·s
SI Units
Density @25°C		 1.18 x 103 kg/m3
SI Units
Pour Point		 °C
SI Units
Flash Point		 >270 °C
SI Units
Thermal Conductivity @38°C		 200 mW/(m·K)
SI Units
Surface Tension @25°C		 32 mN/m
SI Units
Coefficient of Thermal Expansion		 7.5 x 10-4 /K