Ko te Zinc Oxide he taonga whakahirahira me te tauira matū zno, he hiku o te konutai. Ko te puhoi i roto i te wai me te rewa i roto i te waikawa me nga turanga kaha. Ko te Zinc Oxide he taapiri matū noa, ka whakamahia whānuitia i roto i te rapa kirikiri.

Te ahua: Ma te ma ki te paura kowhai kowhai
i te ihirangi o te Open Open: 88-93%
whakarewa taimaha hei PB2 + (%): 0.001 Max.
Comper rite Cu2 + (%): 0.0005 Max.
Manganese rite MN2 + (%): 0.001 Max.
Dessity (G / MM3): 4.6
rohe mata motuhake (M2 / G): 40

Te ahua: Ma te ma ki te paura kowhai kowhai
i te ihirangi o te Open: Min 90%
te whakarewa taumaha hei PB2 + (%): 0.001 Max.
Comper rite Cu2 + (%): 0.0005 Max.
Manganese rite MN2 + (%): 0.001 Max.
Dessity (G / mm3): 3.6
rohe mata motuhake (M2 / G): 40

Te ahua: Ma te ma ki te paura kowhai kowhai
i te ihirangi o te Open: Min 40%
whakarewa taimaha hei PB2 + (%): 0.002 Max.
Comper rite cu2 + (%): 0.001 Max.
Manganese rite MN2 + (%): 0.001 Max.

Te ahua: ma ki te maama kowhai paura kowhai ana
i te ihirangi kowhai: Min 25%
te ihirangi hiko o te waea pūkoro: Min.25%

Te ahua: Maamaa te paura kowhai kowhai
i te ihirangi o te Ope: Min 25%
ihirangi hiko o te waea pūkoro: min.25%