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Re: No Evans,,,,,,,,,,,RE: S Car antifreeze



Does anyone have comparable data for 100% PG?   The Evans
system requires great attention to removing all H2O if I understand
things correctly.

DeWitt Harrison
Boulder, CO
88 5kcstq

On Tue, 20 Apr 1999 16:49:50 -0400,  Igor Kessel wrote:
>[ ... ]
>Let's see the facts.
>
>Propylene glycol C3O2H8.
>If 50% water solution, @90C:
>
>1. Density, g/cm^3: 0.977
>2. SPECIFIC GRAVITY: 1.04
>2. Viscosity, cp: 0.70
>3. Thermal Conductivity, cal/cm*s*K: 9.7*10^-4
>4. Specific Heat, cal/g*C: 0.92
>5. BOILING POINT, C: 188
>7. FLASH POINT (CLOSED CUP), C: 99
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>Ethylene glycol C2O2H6.
>If 50% water solution, @90C:
>
>1. Density, g/cm^3: 1.017
>2. SPECIFIC GRAVITY:  1.12
.2. Viscosity, cp: 0.65
>3. Thermal Conductivity, cal/cm*s*K: 9.9*10^-4
>4. Specific Heat, cal/g*C: 0.87
>5. BOILING POINT, C: 197
>7. FLASH POINT (CLOSED CUP), C: 111
>[ ... ]