Re: Heat transfer fluid with particular properties: suggestions?

automotive antifreeze = glycol + water + corrosion inhibitors

"bruce varley" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Hello,  Can anyone suggest a candidate fluid for the following
application?
>
> Liquid at working temperature of about 0C, and between -10 and +50C. To be
> used as heat transfer agent in a closed circuit system made of mild steel
> amongst other materials. Must operate for years with no attention
whatsoever
> in an environment where a small amount of air ingress may occur, and must
> not promote any significant corrosion in the system. Must be chemically
> stable,  not exude vapour, gel, stick to surfaces or aggregate. High
> conductivity / heat capacity not required.
>
> Water is ideal from most aspects, except the requirement for zero
corrosion
> against mild steel.
>
> TIA
>
>