1. KJ-1400R Rail Muffle furnace, 2. Heated by SiC rods, 3. Max. temp., 1400C; Working temp., ... 1300C. 1. KJ-1400R Rail Muffle furnace,2. Heated by SiC rods,3. Max. temp., 1400C; Working temp ... rails on each door, which makes load samples easy.2. Operation Temperature: 1300°C ( 1400°C for short time). 3. Maximum energy ...