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 is soft, its Mohs hardness coefficient is 1~1.5, slippery feeling, {001} cleavage is complete, easy to split into flakes, natural resting Angle is small (35°~40°), extremely unstable, surrounding rock is silicified and slippery magnesite, magnesite, lean ore or dolomitic marble, except a few moderately stable, generally unstable, joints, cracks development, The physical and mechanical properties of ore and surrounding rock have great influence on mining technology.
