Table 4: Propylene glycol concentration corresponding freeze point *
Density (G/M
3
) at 20ºC
Concentration (%) by
weight
Concentration (%) by
volume
Freeze point ºF (ºC)
1 0 0 32 (0)
1.003 4 3.8 30.2 (-1)
1.006 8 7.7 28.4 (-2)
1.009 12 11.6 24.8 (-4)
1.012 16 15.5 23 (-5)
1.016 20 19.4 19.4 (-7)
1.018 22 21.4 17.6 (-8)
1.02 24 23.4 15.8 (-9)
1.022 27 26.4 12.2 (-11)
1.025 30 29.4 8.6 (-13)
1.027 32 31.4 6.8 (-14)
1.029 34 33.5 3.2 (-16)
1.031 37 36.5 -0.4 (-18)
1.034 40 39.6 -5.8 (-21)
1.036 42 41.6 -7.6 (-22)
1.038 45 44.7 -16.6 (-27)
1.04 48 47.8 -22 (-30)
1.041 50 49.9 -29.2 (-34)
Note: *The values in the table are for reference. Ask the vendor for information on
concentration versus freezing point for their product. Use that information to determine the
glycol concentration.
High temperature and pressure cleaning
Do not use high temperature and pressure cleaning methods, such as steam cleaning, on any
part of the pressure system as this may cause operation of the pressure relief devices. To avoid
corrosion, do not use detergents and solvents for cleaning.
MSDS information
Material safety data sheets (MSDS) information can be obtained by calling (800) 451-8346 in the US
or by e-mailing MSDS@3Ecompany.com. Provide the product name, manufacturer, part number,
and the specific language required.
For additional safety information, refer to my.jci.com/sites/BE/NASafety.
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