INSTALLATION
Technical data
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GL
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www.stiebel-eltron-usa.com
SOL 29 Premium |
13
9.3
Propylene glycol specifi cations
This solar thermal system should be fi lled only with propylene glycol
approved by Stiebel Eltron.
DOWFROST
HD
Item Number
074300
Contents of container
Volume of Mixture
5 gal / 18.9 l
Weight % Propylene Glycol
50
Volume % Propylene Glycol
50
Mixture color
Bright Yellow
Mixture properties
Freezing Point
-28.3°F / -33.5°C
Boiling Point @ 1 bar
222°F / 105.6°C
Freeze protection temperature
-60°F / -51°C
Burst protection temperature
-100°F / -73°C
DOWFROST fluid properties
Weight % Propylene Glycol
94
Weight % performance additives
6
Specific gravity (60 °F / 15 °C)
1.053 - 1.062
pH of Solution
9.5 - 10.5
Reserve alkalinity
15.0 ml
Vapor pressure over operating range
2.2 mmHg
Flash point
219°F / 104°C
Auto-ignition temperature
700°F / 371°C
Collector yield
>525 kWh / (m²) per year
Dispose of in accordance with all applicable local, state and federal regulations.
Empty containers should be taken to an approved waste handling site for recycling
or disposal.
In event of accidental release, wipe up with absorbent material. Wear eye and skin
protection when handling.
In case of skin contact, wash off with plenty of water.
In case of eye contact, contact a physician. If inhaled or swallowed, contact a phy-
sician.
For more safety information, contact Stiebel Eltron for more information.
