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Robert Noel Reddington
Grand Master
Username: bob_uk

Post Number: 417
Registered: 5-2015
Posted on Friday, 14 August, 2015 - 06:34:   Edit PostDelete PostView Post/Check IP

Anti freeze has 5 main additives.

1 anti corrosion.

2 water pump seal oil.

3 water wetter sufficant.

4 anti cavation.

5 anti scale water softener.

Also dye and of course ethylene glycol.

50% water and glycol antifreeze has a specific gravity of 1.06 to 1.09.

Maximum is 70% antifreeze.

I was told about the anti cavation additive today. I didn't know.

Methanol antifreeze is not sold in the UK now.