http://www.solamni-material.co....m/insole-board/nonwo
Dry production process to air as the carrier of fiber, fiber preparation is a separation method, generally without fine grinding, need to apply adhesive, slab forming before the fiber should be dried, hot pressed into the board is usually no longer heat treatment, other processes and wet method.
website:http://www.solamni-material.co....m/insole-board/nonwo
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