What is the fake down polyester staple fiber To be precise, it is a polyester fiber that is close to down in fineness. It has the characteristics of down, but it is not down. It is "imitation down", which is usually called "fake down polyester staple fiber" in the market. fake down polyester staple fiber The fine density of fake down polyester staple fiber is a fraction of that of common four-hole and seven-hole fibers in...
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