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The specific heat capacity of a material is the amount of heat energy required to raise the temperature of a unit mass of the material by a certain degree. Different materials have different specific heat capacities, which can be affected by factors such as their chemical makeup and microstructure.
The thickness of a fabric can have an effect on the performance of protective clothing materials in relation to convective heat. In general, thicker fabrics tend to provide better protection against convective heat than thinner fabrics. This is because thicker fabrics tend to have a higher thermal resistance, which means they are able to slow the transfer of heat through the material.
Thermal conductivity is a measure of how well a material conducts heat. It is typically expressed in watts per meter per kelvin (W/(m·K)). Different textile fibers have different thermal conductivities due to their unique physical and chemical properties.
There are several types of fibers that are known for their flame retardant properties. Some examples include: