PG-HVAC

PROPYLENE GLYCOL BASE HYDRONIC HEAT TRANSFER FLUID

 

Typical Composition                                                                 % by Weight

 

Propylene Glycol, USP Grade                                                                         95.40

Water & Food Grade Inhibitors            (ASTM D1123)                                                                                                                 4.57

Dye                                                                                                                                 .03

Typical Properties

Color                                                   (Visual)                                                           Clear

Clarity                                                (Visual)                                                           Clear, single phase

Specific Gravity, 20/20°C                      (ASTM D1122)                                           1.050-1.058

Reserve Alkalinity                                (ASTM D1121)            `                                   12.0 min

pH at 25°C 50% by volume                        (ASTM D1287)                                           9.0-10.0

Flash Point                                         (ASTM D93)

            100% by volume                                                                                           225°F

            90% by volume                                                                                           240°F

            80% by volume                                                                                           no flash detected

Ash                                                      (ASTM D1119)                                           <1.0 max.

Boiling Point                                      

            33.33% by volume                                                                                      216°F

            50.00% by volume                                                                                      220°F

            100% by volume                                                                                           315°F

Freezing Point                           (ASTM D3321)                                          

            15.00% by volume                                                                                      21°F

            40.00% by volume                                                                                      -9°F

            50.00% by volume                                                                                      -26°F

            100.00% by volume                                                                                      -5°F

Burst Protection

            15.00% by volume                                                                                      16°F

            30.00% by volume                                                                                      -24°F

            40% by volume                                                                                           -70°F

Viscosity @ 20°F in centistokes

            50.00% solution w/w                                                                                         23

            20.00% solution w/w                                                                                         5

 

 

 

 

Specific Heat @ 20°F BTU/lb/°F

            50.00% solution v/v                                                                                                0.84

            20.00% solution v/v                                                                                                0.96

Thermal Conductivity @20°F

BTU/(Hr) (Sq Ft) (°F/Ft)

            50.00% solution w/w                                                                                         0.22

            20.00% solution w/w                                                                                         0.27

 

General Information

 

Use Recommendations - PG - HVAC is formulated for use in hydronic systems of all types especially when non-toxic properties are required. Most states require the use of propylene glycol based hydronic fluids when used in hydronic systems with automatic make-up water capabilities. Proper dilution, with water of good quality, is necessary to achieve desired freeze point protection and heat transfer capabilities. PG - HVAC may be diluted to 15% by volume without significantly affecting corrosion protection in most applications.

 

Hoses and Gaskets - No adverse effect on gaskets or hoses.

 

Cautionary Information - Store only in closed containers with complete cautionary information thereon, in a cool, secure place, out of reach of children.