الحمد لله والصلاة والسلام على رسول الله وعلى آله وصحبه أجمعين HFC blend Refrigeran R424A known as RS-44b R22 Replacement HFC blend HFC blend Blend of HFCs R125 + R134a + HCs R600, R600a + R601a HFC 134a 47% HFC 125 50.5% iso-pentane 0.6% n-butane 1% Isobutane 0.9% Chemical names […]
RS-44b
1 post