polyporous

And as all have nuclear polyporous dvysocket making cloth cover the infiltration of water soluble Binder, so the fabric adhesive well, easy to layers.

布料和纸张一样都具有多孔性，容易使核糊布料封面所用的水溶性粘结剂渗入，因布料的粘接性好，容易裱合。