Qhov txawv ntawm tooj liab thiab tooj dag yog dab tsi
Liab tooj liab yog kim dua tooj dag, thiab nws cov ntsiab lus tooj liab nce mus txog 99%. Nws yog industrial ntshiab tooj liab. Vim tias nws muaj xim liab liab thiab hloov ntshav tom qab ib zaj duab xis oxide tsim rau saum npoo, nws feem ntau hu ua liab tooj liab, tseem hu ua liab tooj liab. Nws yog tooj liab uas muaj qee yam ntawm cov pa oxygen, yog li nws tseem hu ua oxygen-muaj tooj liab, thiab qee zaum nws kuj tseem suav tau tias yog tooj liab alloy. Cov ntsiab lus tooj liab ntawm tooj dag yog li 60%, thiab cov ntsiab lus zinc yog li 40%; Qee tus neeg muaj txog 1% txhuas, uas muaj impurities. Brass uas muaj tooj liab thiab zinc hu ua tooj dag zoo tib yam. Yog tias nws yog ntau yam hlau uas muaj ob lossis ntau lub ntsiab lus, nws yog hu ua tooj dag tshwj xeeb.
