耐火

耐火	nài huǒ	refractory (material) / fire-resistant
耐	nài	(bound form) to bear; to endure; to withstand
火	Huǒ	surname Huo
火	huǒ	fire / urgent / ammunition / fiery or flaming / internal heat (Chinese medicine) / hot (popular) / classifier for military units (old) / Kangxi radical 86