The explosion-proof classification of IIC is considered superior, encompassing the requirements for both IIB and IIA, with IIB rated above IIA.
Kāwai Tikanga | Te whakarōpū hau | Nga hau maaori | Pūngao korakora iti rawa |
---|---|---|---|
I raro i te Maina | I | Mewaro | 0.280mJ |
Nga wheketere i waho o te maina | IIA | Propane | 0.180mJ |
IIB | Ethylene | 0.060mJ | |
IIC | hauwai | 0.019mJ |