1. Mimo:99.95% W1
2. iwuwo: 19.3g/cm3
3. Ite:W1,W2,WAL1,WAL2
4. Apẹrẹ: bi iyaworan rẹ.
5. Ẹya: Aaye yo to gaju, resistance ifoyina otutu otutu, igbesi aye iṣẹ pipẹ, resistance si ipata