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Chill Propylene Glycol (PG) Heat Transfer Fluid

Performance Specifications

This is a heat transfer fluid with an organic acid technology which provides outstanding corrosion protection for copper, brass, solder, steel, cast iron and aluminum. A buffering system that neutralizes acids formed by the normal thermal and oxidative degeneration of glycols which helps keep the pH in optimum range. It contains tolytriazole to protect copper, brass and solder from attack and oxygen scavengers for further protection.

CHARACTERISTICS

  
                COMPOSITION/CONCENTRATE                
                 
                Propylene Glycol                
                96.0 volume % max
              
                Inhibitors and deionized water                
                4.0 volume % min
              
                pH
                
                50% solution
                9.8-10.8
              
                30% solution
                9.6-10.6
              
                SPECIFIC GRAVITY (60°F) PROPYLENE GLYCOL
                
                96% solution
                1.056 min
              
                50% solution
                1.046 min
              
                RESERVE ALKALINITY
                
                96% solution
                10.0 ml min
              
                50% solution
                None
              
                FLASH POINT PROPYLENE GLYCOL
                
                96% solution
                220°F min

                50% solution
                None

MIXING TABLE

VOL. % PROPYLENE GLYCOL	VOL. % FINISHED PRODUCT	FREEZE POINT, °C/°F	BOILING POINT, °C/°F
15	15.6	-5.1/22.7	100.5/213
30	31.2	-13.1/8.4	102.2/216
40	41.6	-21.5/-6.7	103.3/218
50	52.1	-33.6/-28.6	105.5/222
60	62.5	-51/-59.9	107.7/226

PERFORMANCE SPECIFICATIONS

PHYSICAL PROPERTY	TEMP °C/°F SOLUTION	15% GLYCOL SOLUTION	30% GLYCOL SOLUTION	40% GLYCOL SOLUTION	50% GLYCOL SOLUTION	60% GLYCOL SOLUTION
THERMAL CONDUCTIVITY [BTU/(HR-FT3)( °F/FT)]	5/40	0.265	0.253	0.234	0.215	0.199
THERMAL CONDUCTIVITY [BTU/(HR-FT3)( °F/FT)]	82/180	0.307	0.291	0.267	0.241	0.22
THERMAL CONDUCTIVITY [BTU/(HR-FT3)( °F/FT)]	121/250	0.31	0.293	0.269	0.245	0.224
SPECIFIC HEAT [BTU/LB-°F)]	5/40	0.885	0.862	0.82	0.774	0.724
SPECIFIC HEAT [BTU/LB-°F)]	82/180	0.933	0.915	0.883	0.849	0.816
SPECIFIC HEAT [BTU/LB-°F)]	121/250	0.958	0.944	0.913	0.882	0.845
VISCOSITY, CENTIPOISE	5/40	3.11	3.59	4.94	6.81	9.93
VISCOSITY, CENTIPOISE	82/180	0.59	0.66	1.82	0.96	1.09
VISCOSITY, CENTIPOISE	121/250	0.37	0.4	0.47	0.55	0.59
DENSITY, (LB/FT3)	5/40	65.19	65.71	66.61	67.5	68.33
DENSITY, (LB/FT3)	82/180	62.9	63.31	64.1	64.83	65.55
DENSITY, (LB/FT3)	121/250	61.05	61.42	62.15	62.81	63.44