Ƙimar shayar mai na talc foda shine mahimmancin fasaha na fasaha, wanda ke nuna iyawar talc foda zuwa mai. Girman ƙimar shayar mai kai tsaye yana rinjayar tasirin aikace-aikacen talc foda a cikin filayen masana'antu daban-daban. Yawancin lokaci, ƙimar shayar mai na talc foda yana da alaƙa kai tsaye da ingancinsa, kuma mafi kyawun inganci, mafi girman ɗaukar man fetur 10. A cikin aikace-aikacen aikace-aikacen, ƙimar shayar mai talc na iya taimakawa wajen hango ko hasashen da sarrafa aikin samfurin, kamar a cikin masana'anta da masana'antar filastik, inda ƙimar shayar mai ke shafar kwararar ruwa da sarrafa aikin samfurin.
Talc yana da kyau kwarai jiki da sinadarai Properties kamar lubricity, danko juriya, kwarara taimako, wuta juriya, acid juriya, rufi, high narkewa batu, sinadaran rashin aiki, mai kyau sutura ikon, taushi, mai kyau luster, karfi adsorption karfi, da dai sauransu Saboda da crystalline tsarin na talc ne Layered, yana da hali zuwa sauƙi raba cikin Sikeli da kuma musamman santsi. Idan abun ciki na Fe2O3 ya yi yawa sosai, zai rage rufin sa.
Talc yana da taushi, ƙayyadaddun taurin sa na Mohs shine 1 ~ 1.5, ji mai santsi, {001} cleavage cikakke ne, mai sauƙin raba cikin flakes, kusurwar hutawa ta yanayi ƙarami ne (35° ~ 40°), matuƙar rashin kwanciyar hankali, dutsen da ke kewaye yana silicified da m magnesite, magnesite, lean ore ko dolomitic marmara, gabaɗaya, barga maras kyau, sai dai madaidaicin magudanar ruwa. Kaddarorin inji na tama da dutsen da ke kewaye suna da babban tasiri akan fasahar hakar ma'adinai.
