Ko te waahanga matua o te talc ko te hydrotalcite hydrous magnesium silicate me te tauira ngota o te mg3 [si4o10] (OH) 2. No te punaha monoclinic te talc.He pseudohexagonal, rhombic ranei te karaihe, i etahi wa.I te nuinga o te wa he whakahiato nui, he rau, he torotoro, he whakahiato kiko.Karekau he tae, he maamaa, he ma ranei, engari he kakariki marama, he kowhai marama, he parauri marama, he whero marama ranei na te iti o te poke;he peara te mata o te wehenga.Te pakeke 1, te taumahatanga motuhake 2.7-2.8.

Ko te paura Talc he tino pai nga ahuatanga o te tinana me te matū penei i te whakahinuhinu, te aukati i te ahi, te aukati waikawa, te whakamaarama, te rewa teitei, te kore mahi matū, te kaha hipoki pai, te ngawari, te whiti pai, te kaha o te whakauru, me etahi atu na te mea he paparanga te hanganga karaihe o te talc, he ahua ngawari te wehewehe ki nga unahi me te whakahinuhinu motuhake.Mena he tiketike rawa te ihirangi o te Fe2O3, ka whakahekehia te whakamaarama.

Te whakamahinga o te talc:

(1) Koeke Paku (Hz): whakamahia mo nga momo paura whakamakuku katoa, paura ataahua, paura talcum, etc.

(2) Te karaehe kai rongoa (YS): te papa rongoa, te paninga huka, te paura wera wera, te whakahaunga rongoa Hainamana, te taapiri kai, te kaihoko wehe, aha atu.

(3) Koeke whakakikorua (TL): whakamahia mo te poaka tinana ma me nga momo momo wai-wai, te hinu-hinu, nga whakakikorua o te ahumahi, te tuatahi, te peita tiaki, me era atu.

(4) Koeke pepa (zz): ka whakamahia hei whakakii mo nga momo pepa me nga pepa pepa katoa, he kaihoko mana raima rakau.

(5) Koeke kirihou (SL): whakamahia hei whakakii mo te polypropylene, nylon, polyvinyl chloride, polyethylene, polystyrene, polyester me etahi atu kirihou.

(6) Rubber grade (AJ): whakamahia mo te whakakī rapa me te kaihoko adhesion anti o hua rapa.