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Recommended Watt Densities For Various Liquids

Material
 
Max.Operating Temperature
°C
Max.Watt Density
W/cm²
Acid Solutions 82.22 6.2
Alkaline Solutions and Oakite 100.00 6.2
Ammonia Pltg, Solutions 10.00 3.875
Aroclor 315.56 3.1
Asphalt, Tar or Heavy Compounds 93.33
148.89
204.44
260.00
1.55circ. 0.775non-circ.
1.24circ. 0.62non-circ.
1.085circ. 0.62non-circ.
1.93circ. 0.465 non-circ.
Bunker "C" Fuel Oil 71.11 1.55-2.356 fast circ.
0.62-1 .085 non circ.
Caustic Soda 2% 98.89
6.975
10% 98.89 3.875 and down
75% 82.22 3.875 and down
Citrus Juices. 85.00 3.1
Degreasing solutions Vapor 135.00 3.1
Dowtherm A 398.89
398.89
2.79 and down
1.86 and down
Liquid Phase
Vapor Phase
1.86 and down - -
Dowtherm E 204.44 1.86
ElectroPlating Solutions 82.22 6.2
Ethylene Glycol 148.89 4.65
Fatty Acids 65.56 3.1
Freon 148.89 0.465
Fuel oil 82.22 3.875-4.65 circ.
Preheating
Light Grade
Heavy Grade
Gasoline 148.89 0.31-775
Glycerine 10.00 6.2
Heat Transfer Oils 260.00 3.1
315.56 2.35
Lead Stereotype Pot 315.56 5.45 on casting
Linseed Oil 65.56 7.75
Machine Oil SAE 30 121.11 3.1-3.875 circ.
2.35-3.1 non-circ
Metal Melting Pot 260-482 3.1-4.2

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