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What makes a warm fabric?

The length, weight, and structure of the material are important to create a warm fabric.

 

  The extent of the fabric’s warmth is determined by three things scientifically,:

 

"Thermal conductivity"

    : The fiber material itself,

"Air content rate" 

    : Indicating how much the fabric wraps the air

"Sealability"

    : Keeps the warm air trapped underneath the fabric

 Thermal conductivity refers to an index that indicates a fabric’s ability to transfer heat. The higher the number, the easier it is for a fabric to transfer heat.

 

 If the index is low, the blanket will prevent the cold outside air from getting in and won't allow warm air to escape. Thus, this would be a blanket suitable for winter.

 

 Thermal conductivity varies depending on the fiber of specific materials. Overall, wool and acrylic have low thermal conductivity values, so they have 'warm' fibers.

 However, the influence of ''air content rate'' is relatively high as a factor that determines warmth. The reason for this is that air has a much lower thermal conductivity than fiber.

 

  Air content is an indicator of how much air is contained inside a blanket. New Mayer blankets and combined blankets with long-haired legs—which are unique to our fabrics—have a high air content.

  Thus, they are able to wrap a lot of air, which makes them warm blankets. In addition, these tightly packed, heavy blankets tightly confine warm air inside.

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