M-C448
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27375003-M-C448
a group of products which fulfill a similar need for a market segment or market as a whole.
a particular group of related products.
Thermal resistance is defined as the ratio of the temperature difference between the two faces of a material to the rate of heat flow per unit area. Thermal resistance determines the heat insulation property of a textile material. The higher the thermal resistance, the lower is the heat loss.