Activation creates a fast internal pore network and imparts certain surface chemistries (functional groups) inside each particle.

激活创建一个快速的内部孔隙网络，并赋予一定的表面化学(功能组别)内的每一个粒子。

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Centrifugal glass cotton can sound-absorbing reason not because the surface is rough, but because of the internal and external connected with tiny pore and holes.

离心玻璃棉能够吸声的原因不是由于表面粗糙，而是因为具有大量的内外连通的微小孔隙和孔洞。

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