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Warming material refers to the raw material that constitutes a warm wadding material. It is often used in the form of wadding or flakes for clothing, mattresses, sleeping bags, etc. Its greatest feature is light and fluffy warmth. In the fiber material of the new warm-keeping wadding, it generally contains hollow or high-crimp polyester, acrylic staple fiber, which is first made into a fiber mesh and then reinforced. The function of the warming material is to keep warm and keep warm. In various environments, the human body exchanges heat with the environment through clothing, mattresses, sleeping bags, etc. to achieve the thermal comfort of the human body. The most basic condition for thermal comfort is to maintain the body's thermal balance, which is the relative balance of energy exchange between the body's own heat-generating and the energy dissipating the body's heat to the environment. The heat generated by the human body depends on the physiological and biochemical processes in the body. The main way for the body to dissipate heat is through convection, conduction, radiation, and evaporation of body fluids. The function of the thermal insulation material is to make the heat dissipation path be strengthened or weakened, so that the energy exchange can be relatively balanced, and the human body can have a warm and comfortable feeling.
As a warm-keeping material, the flake is a fluffy soft and elastic sheet-like material composed of textile fibers and belongs to the category of non-woven fabrics. The flakes are rich in raw materials, easy to control the specification parameters, easy to cut, easy to sew, easy to maintain and inexpensive, etc. According to national standards, the current common thermal flakes can be classified as follows: hot-melt plastic flakes, spray Cotton wool flakes, Jincheng coated flakes, wool-based composite flakes, far infrared composite flakes.
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