Graphite ʻoku maʻu ʻe he ngaahi ʻao efu ha ivi ignition siʻisiʻi taha ʻo e 9mJ, mo e mafana maʻulalo taha ignition ko e 520 ° c, pea mo e malohi lahi taha ʻo e fakaʻauha ʻo aʻu ki he 0.7723 MPa.
ʻOku fakafuofuaʻi ʻa e fakahokohoko fakamotuʻalea ʻo e fakaʻauha ʻi he 27.3098MPa/s. ʻI ha tokanga ʻa 500g/m ^ 3, ʻa e malohi ʻo e fakaʻauha mo e fakahokohoko fakamotuʻalea ʻo e fakaʻauha. ʻOku fakangatangata pe ʻa e fakaʻauha ʻi he vahaʻa ʻo e 40-50g/m ^ 3.