Lub caij nplooj ntoo hlav puv ntoob hom nrog lub khij thaiv kev ruaj ntseg

A28H-10C, A28Y-10P, A28Y-16P, A28Y-25P, A28Y- 40P

A28Y-16C, A28Y-16R, A28Y-25R, A28Y-40R

A28H hom yog siv rau cov khoom siv thiab cov raj xa cua, N₂, H₂ kev sib xyaw ua pa roj cua thiab lwm yam nruab nrab dab tsi ua haujlwm kub tsawg dua 200 ℃ .A28Y-P / 10R₈ hom yog siv rau cov khoom siv thiab cov raj xa dej ntawm qhov zoo nrog corrode nruab nrab dab tsi ua haujlwm kub yog tsawg dua 200 ℃ .Thov ntxiv rau cov khoom siv tiv thaiv kev kub siab.