1. Abubuwan da ake amfani da su a cikin aikin samarwa sun bambanta.Slag ulu ana taƙaita shi azaman ulun ma'adinai, kuma babban kayan sa shine slag na ƙarfe da sauran sharar masana'antu da kuma coke.Babban albarkatun ulu na dutsen dutse sune duwatsun halitta kamar basalt da diabase.

2. Halayen jiki sun bambanta.Saboda nau'ikan albarkatun kasa daban-daban, kayan jikinsu ma sun bambanta.Gabaɗaya, ƙimar acidity na slag ulu yana kusan 1.1-1.4, yayin da adadin acidity na ulun dutse ya kusan 1.4-2.0.Saboda ƙananan acidity coefficient na slag ulu, shi ma ya ƙunshi ƙarin alkaline oxides.Akwai wani aikin hydraulic a cikin ulun ma'adinai, wanda ya bambanta da ulun dutse.Sabili da haka, ba za a iya amfani da ulu na ulu na yau da kullun ba don rufin thermal na ginin bangon waje.

3. Tasirin ya bambanta.Dutsen ulu ba ya ƙunshi sulfur kyauta, abun ciki na ƙwallon slag ya fi ƙasa da ulun ma'adinai, kuma samfuran ulun dutse galibi suna amfani da resin hydrophobic azaman ɗaure.Gudun yana da babban digiri na warkewa, don haka yawan shayar da danshi yana da ƙasa, kuma juriya na ruwa ya fi ulun ma'adinai.Matsakaicin zafin aiki na ulun ma'adinai shine 600-650 digiri Celsius.Gabaɗaya, fiber ɗin samfurin ya fi guntu kuma ya fi kauri.Matsakaicin zafin aiki na ulun dutse zai iya kaiwa digiri 900-1000 Celsius, fiber yana da tsayi, kuma ƙarfin sinadarai ya fi ulun ma'adinai, amma farashin samar da ulun dutse ya fi ulun ma'adinai.

4. Tsarin samarwa ya bambanta.Tsarin samar da samfuran ulu na dutse shine kai tsaye zafi basalt ko diabase da ƙaramin adadin dolomite, dutsen farar ƙasa ko fluorite da sauran abubuwan da ake ƙarawa zuwa cikin narkakken ƙasa a yanayin zafi mai zafi na 1400-1500 digiri Celsius a cikin cupola, sannan a yi zaruruwa ta hanyar. centrifuge mai mirgine hudu.A lokaci guda kuma, ana fesa resin ruwa mai narkewa ko siliki na halitta da sauran abubuwan ɗaure a saman fiber ɗin, sa'an nan kuma ana samun su ta hanyar lalatawa da matsa lamba.Ma'adinan ulun da aka yi amfani da shi ya fi narke baƙin ƙarfe na tanderun wuta, tare da wani adadin farar ƙasa ko dolomite da bulo mai fashe.Ana narkar da shi a cikin kofi ko cellar a yanayin zafi kaɗan kaɗan fiye da yanayin narkewar ulun dutse, ta amfani da allura ko hanyar centrifugal.Don sanya shi fiberized, ana zaɓar ƙwallan slag da ƙazanta a cikin zaren ta hanyar winnowing ko ruwa.