The difference between polyester and hollow fiber
No analogy, polyester fiber refers to polyester fiber, hollow fiber refers to the processing of fiber form is hollow.
The difference is whether there is a hole in the center of the cross section of the fiber.
Is not the same concept, is a kind of fibre, such as polyester, polyamide, polysulfone fiber; one is the fiber cross-section shape: such as tubular (hollow) and circular (solid), cross.
