Table 1-3. Guide for Preparation of Antifreeze Solution

TM 9-2320-209-20-3-1

Table 1-3.

Guide for Preparation of Antifreeze Solution

Ethylene-glycol (-60F)

inhibited (O-A-548, type 1)

Lowest expected

Pints per gallon

Arctic grade anti-

ambient

freeze (- 90F)

Specific gravity

of coolant capacity

temperature

MIL-A-11755

(F)

(Notes 1, 2)

(68F)

1.022

+20

0.750

Freezing point of -90F

1.000

1.036

+10

Issued ready for use and

1.375

1.047

must not be mixed with

1.625

1.055

any other liquid

-l0

1.062

-20

1.750

2.000

1.067

-30

2.125

1.073

-40

-50

2.250

2.375

-60

Use arctic grade

Below -60

antifreeze (90F)

NOTES :

Includes heaters.

Proportions are in terms of ethylene-glycol per gallon and not pints of ethylene-

glycol added to each gallon of water. For example, at -30F a gallon of coolant

contains two pints of ethylene-glycol and six pints of water (2 pints + 6 pints =

8 pints = 1 gallon).

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