Es fiber is a bicomponent sheath-core composite fiber with low melting point, good flexibility, high melting point and high strength. After heat treatment, part of the cortex is melted and bonded, and the remaining fibers remain in the state of fibers, which has the characteristics of low heat shrinkage. The fibers are particularly suitable for the production of sanitary materials, thermal insulating fillers, filter materials and other products by means of the hot air infiltration process.
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