The explosion-proof classification of IIC is considered superior, encompassing the requirements for both IIB and IIA, with IIB rated above IIA.
Categori Cyflwr | Dosbarthiad Nwy | Nwyon cynrychioliadol | Isafswm Tanio Spark Energy |
---|---|---|---|
O Dan Y Mwynglawdd | i | Methan | 0.280mJ |
Ffatrïoedd y Tu Allan i'r Mwynglawdd | IIA | Propan | 0.180mJ |
IIB | Ethylene | 0.060mJ | |
IIC | Hydrogen | 0.019mJ |