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Typical Watts Densities
Typical Watts Density:
A guide to Watts Density rating, for heating elements, for a wide range of materials.
Please select display unit :
| Material being Heated |
Operating Temperature °C |
Watts Density W/cm2 |
| Alkali Cleaning Solution |
100 |
6.0 |
| Asphalt, Tar, etc |
90-250 |
1-1.5 |
| Caustic Soda (75%) |
80 |
4.0 |
| Degreasing Solutions (Vapour) |
135 |
3.0 |
| Heat Tansfer Oils |
320 |
3.0 |
| Elements Cast into Aluminium |
400max |
8.0 |
| Elenets Cast into Iron |
550max |
8.5 |
| Ethylene Glycol |
150 |
1.5 |
| Fatty Acids |
70 |
3.0 |
| Fuel Oil |
70 |
6.0 1.5 |
| Freon |
150 |
0.5 |
| Glycerine |
100 |
6.0 |
| Water |
100 |
15.0 |
| Kerosene/Paraffin |
150 |
0.5 |
| Linseed Oil |
70 |
8.0 |
| Molten Salt Bath |
400-500 |
4-5 |
| Mineral Oil |
100-200 |
2-3 |
| Oil Quench Bath |
200-300 |
3-4 |
| Propylene Glycol |
70 |
3.0 |
| Trichlorethylene |
70 |
3.0 |
| Vegetable Oil s |
200 |
5-6 |
| Material being Heated |
Operating Temperature °F |
Watts Density W/in2 |
| Alkali Cleaning Solution |
212 |
38.85 |
| Asphalt, Tar, etc |
194-482 |
6.475-9.712 |
| Caustic Soda (75%) |
176 |
25.9 |
| Degreasing Solutions (Vapour) |
275 |
19.425 |
| Heat Tansfer Oils |
608 |
19.425 |
| Elements Cast into Aluminium |
752max |
51.8 |
| Elenets Cast into Iron |
1022max |
55.038 |
| Ethylene Glycol |
302 |
9.713 |
| Fatty Acids |
158 |
19.425 |
| Fuel Oil |
158 |
38.85 9.713 |
| Freon |
302 |
3.238 |
| Glycerine |
212 |
38.85 |
| Water |
212 |
97.125 |
| Kerosene/Paraffin |
302 |
3.238 |
| Linseed Oil |
158 |
51.8 |
| Molten Salt Bath |
752-932 |
25.9-32.375 |
| Mineral Oil |
212-392 |
12.95-19.425 |
| Oil Quench Bath |
392-572 |
19.425-25.9 |
| Propylene Glycol |
158 |
19.425 |
| Trichlorethylene |
158 |
19.425 |
| Vegetable Oil s |
392 |
32.375-38.85 |
