I te mea ko te kaha nui me te wa roa e whakamahia ana, ka taea te tohu hei hua A-Grade i te maakete o-whare. Ki te kaha oxidizing
taonga, ka taea e ia te whakakore i te hau kino me te whakaheke i roto i te hau ki te horoi i te hau, he nui hoki te kaha ki te tango i etahi atu hau kino penei i te hydrogen sulfide, sulfur dioxide, chlorine, formaldehyde, nitric oxide, me etahi atu. KMnO4 i runga i te konumohe whakahohe ka taea te whakarite, te
Ko te ihirangi KMnO4: 4%, 6%, 8% me etahi atu.
Tūemi | Waeine | Whakatakotoranga Hangarau |
Te ahua | Porowhita papura | |
AI2O3 | % | ≥ 80 |
KMnO4 | % | ≥ 8 |
Te rahi o te matūriki | mm | 2-3, 3-5, 4-6 |
Kiato rahi | g/cm3 | 0.90 |
Te horahanga mata | m2/g | ≥ 200 |
rōrahi pore | cm3/g | ≥0.38 |
Te kaha pakaru | N/Matūriki | ≥90 |
Te ihirangi wai | % | 16 |