C4. Table 1 Thermal conductivity of various deposits

From: C4 Fouling of Heat Exchanger Surfaces

Sodium aluminum silicate	0.2–0.4 W/mK
Milk components	0.5–0.7 W/mK
Hematite (boiler deposit)	0.6 W/mK
Biofilm	0.7 W/mK
Calcium sulfate (boiler)	0.8–2.2 W/mK
Calcite (boiler deposit)	0.9 W/mK
Serpentine (boiler deposit)	1.0 W/mK
Gypsum (boiler deposit)	1.3 W/mK
Calcium sulfate	2.3 W/mK
Magnesium phosphate	2.3 W/mK
Calcium phosphate	2.6 W/mK
Calcium carbonate	2.9 W/mK
Magnetite iron oxide	2.9 W/mK

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