Binafsha mis sof misdir: Sof mis binafsha-qizil, qizil mis deb ham ataladi. Sof misning zichligi 8,96, erish nuqtasi esa 1083 daraja.
Mis naychaning massasi quyidagicha hisoblanadi: G=8.96pd(D-d)/1000
G: massa kg d: trubka devor qalinligi mm D: quvur diametri mm
Mis quvurlarini tayyorlash uchun mos bo'lgan mis navlari T1 va T2.
T1T2
T1 ning kimyoviy tarkibi: Cu+Ag99,95%, P0.001%, Bi{{10}}.0 01%, Sb0.{{20}}02%, As0.002%, Fe0.005%, Ni0.002%, Pb0. 003%, Sn0,002%, S0,005%, Zn0,005%, O0,02%.
T2 ning kimyoviy tarkibi: Cu+Ag99,95%, Bi0.001%, Sb{{10}}.002 %, As0,002%, Fe0,005%, Pb0,005%, S0,005%.
Issiqlik o'tkazuvchanligi (l) 384/Vt·(m·K)-1
Maxsus issiqlik (C) 0,394/kj·(kg·K)-1
