optical white virgin polyester staple fiber is what
In general, when we choose clothes or bedding, the most concerned problem is probably its fabric. So, do you know what optical white virgin polyester staple fiber is?
optical white virgin polyester staple fiber, also known as polyester fiber, is a synthetic fiber derived from the polycondensation of organic dibasic acid and dibasic alcohol. optical white virgin polyester staple fiber...
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