|
|
Posted by hemimech on Monday, February 09, 2009 at 17:41:25 :
In Reply to: Homemade washer fluid posted by David Sherman on Monday, February 09, 2009 at 03:04:22 :
Looks like a couple of gallons of ethylene glycol would go a long..long way.
Source thriftyfun.com
RE: Homemade Windshield Washer Fluid
Post By Real Chemist (Guest Post) (02/09/2009)
I have determined the actual formula for a popular
premium washer fluid:
% by Weight
35% Methanol (wood alcohol)
63% Water
2% Automotive Antifreeze(also colors the fluid)
I have used this for many years with excellent results. Good to at least -40F
The key is methanol; the heavier alcohols such as Isopropyl require much higher percentages to work.
(Have to use about 70% by weight for 90% Isopropyl to have the same effect...cost is too high)
Follow Ups: