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研究表明，坡缕石中都有微孔的存在，且微孔量不等，土状坡缕石的量大于纤维状坡缕石。活化处理对坡缕石的比表面积及孔体积有较大影响．微孔性质与热温度间存在密切相关性。坡缕石的吸附等温线滞后回线类型属ＩＵＰＡＣ分类的Ｈ３型，表明相应样品中的孔隙为缝隙孔或板状粒子构成的层状毛细孔。坡缕石吸附作用包括有物理吸附和化学吸附，它们与矿物中的微孔分布及比表面密切相关。
Studies have shown that there are micropores in palygorskite, and the amount of micropores is not equal. The amount of soil-like palygorskite is larger than that of fibrous palygorskite. Activated treatment of palygorskite surface area and pore volume have a greater impact. There is a close correlation between micropore properties and hot temperature. The lagged sorption isotherms of palygorskite belong to type H3 of the IUPAC classification, indicating that the pores in the corresponding samples are lamellar capillaries composed of interstitial pores or plate-like particles. Adsorption of palygorskite includes physical adsorption and chemisorption, which are closely related to the distribution of micropores and specific surface in minerals.