Sonitus Audio Ferro Fluid (ferrofluid) 0.5ml

Ferro fluid for compression driver voice coil gaps, ideal for replacing contaminated or dried ferro fluid. Supplied in a capped syringe with an applicator nozzle.

Ferrotec's APG S11N Ferrofluid is a member of Ferrotec's family of APG S Series ferrofluids for tweeter and compression driver applications. The APG S11N is a black-brown viscous fluid and uses a synthetic ester oil carrier liquid. Manufactured by Ferrotec in Tokyo, Japan. We purchase this in 1000ml bottles, and then make up individual 0.5ml syringes in the UK.

Specifications:

• Saturation Magnetization (Ms) 220 Gauss
• Viscosity @27°C 85 cP
• Density @25°C 1.15 g/cc
• Pour Point -34 °C
• Flash Point >200 °C
• Thermal Conductivity @38°C 150 mW/(m.K)
• Surface Tension @25°C 32 dynes/cm
• Coefficient of Thermal Expansion 7.5 x 10-4 ml/ml°C

0.5ml of ferro fluid supplied, typically sufficient for approximately 1-2 small compression drivers, or 1 larger compression drivers.