Interesting:

    Hi  Paul.

    I  haven't  seen  nor  do  I  know  what
    Evans Waterless Coolant  is.    Is  it
    thermal  oil?      If  not,  can  thermal  oil
    Be  used  as  coolant  in  aircrafts ?

    Sam

    It is propylene glycol as oppose to regular antifreeze ethylene glycol.

Paul Lamar

    Check it out:



http://www.hrpworld.com/client_images/ecommerce/client_39/products/pdf_3415_3.pdf

    roger paxton