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Tin foil thiab aluminium ntawv ci
1. Tin foil tsuas yog Hong Kong lub npe rau txhuas ntawv ci.Lub melting point ntawm tin tsuas yog 232 degrees, thiab ntau qhov cub tuaj yeem ncav cuag 250 degrees lossis ntau dua.Yog tias tin siv los ua cov khoom siv, nws yuav yaj.2. Lub npe hu ua tin foil yog aluminium ntawv ci, tsis yog tin.Lub melting point ntawm aluminium yog 66 ...Nyeem ntxiv