Thermal conductivity refers to the heat transferred through 1 square meter area within 1 second for a 1m thick material with a temperature difference of 1 degree (k, °C) under stable heat transfer conditions. The unit is w/m·K (w/m·K, where k can be replaced by ℃).
Because the degrees are the same, all the above Kelvin degrees can be replaced by degrees centigrade.
In is inch and FT is foot.
Both BTU and calorie values fall into the international heat table category.
Large and small numbers can appear in spreadsheets without spaces.
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