OPM 360 en-GB 36
© Scania CV AB 2017, Sweden
Cooling system
Antifreeze and corrosion protection con-
centration table, litres
35% by volume of Scania antifreeze provides
sufficient protection against corrosion.
Example:
• The total volume of the cooling system is 40
litres.
• The measured concentration of ethylene gly-
col is 35% by volume (freezing point -21°C).
According to the table there are 14 litres of
ethylene glycol in the cooling system.
• The required concentration of ethylene glycol
is 45% by volume (freezing point -30°C). Ac-
cording to the table, 18 litres of ethylene gly-
col are required in the cooling system.
• Since there are already 14 litres in the cooling
system, 4 litres of ethylene glycol must be
added to the cooling system (18 - 14 = 4 li-
tres).
Adequate protection against corrosion
Volume of ethylene glycol (%) 35 40 45 50 60 Cooling system volume
Ice slush forms (°C) -21 -24 -30 -38 -50 (litres)
Volume of ethylene glycol (litres)
11 12 14 15 18 30
14 16 18 20 24 40
18 20 23 25 30 50
21 24 27 30 36 60
25 28 32 35 42 70
28 32 36 40 48 80
32 36 41 45 54 90
35 40 45 50 60 100
39 44 50 55 66 110
42 48 54 60 72 120
46 52 59 65 78 130
49 56 63 70 84 140
53 60 68 75 90 150
56 64 72 80 96 160
60 68 77 85 102 170
63 72 81 90 108 180
67 76 86 95 114 190
70 80 90 100 120 200
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