石棉纤维的穿透能力十分强,它能一直钻进地下十米深的地方。石棉,是许多种化合物的总称。别看它拿在手里软绵绵的,其实是一种矿物纤维,和石头、盐一样,属于无机化合物,是从矿床挖出来的。全球各大洲都有石棉矿,我们用的石棉就是从矿石加工制成的。有人把石棉叫做万能矿,这话确实有理,它的用途可真不少,有记录可查的就多达2500余种,不同类型的石棉 Asbestos fiber penetration is very strong, it can have been drilling into the underground ten meters deep. Asbestos, is a collective term for many compounds. Do not look at it in the hands of soft, in fact, is a mineral fiber, and stones, salt, are inorganic compounds, is dug from the deposit. Asbestos mines are found on all continents and the asbestos we use is made from ore. Someone asbestos called universal mine, the words are reasonable, its use can be quite a lot of records can be found on as many as 2500 species, different types of asbestos