The furnace chamber of the gradient furnace GR 1300/13 is divided in six control zones of equal length. The temperature in each of the six heating zones is separately controlled. The gradient furnace is usually charged from the side through the parallel swivel door. A maximum temperature gradient of 400 °C can then be stabilized over the heated length of 1300 mm. On request the furnace also is designed as a lab strand annealing furnace with a second door on the opposite side. If the included fiber separator are used charging is carried-out from the top.

Standard Equipment

• Tmax 1300 °C
• Heated length: 1300 mm
• Heating elements on support tubes providing for free heat radiation in the kiln chamber
• Dual shell housing made of textured stainless steel sheets with additional fan cooling for low surface temperature
• Exclusive use of insulation materials without categorization according to EC Regulation No. 1272/2008 (CLP)
• Charging from the top or through the right side door
• Gas damper suspension of the lid
• Separate control of heating zones (each 160 mm long)
• Temperature gradient of 400 °C over the entire length of the kiln chamber, each zone can individually be controlled
• Fiber separators dividing the chamber in six equally sized chambers
• Defined application within the constraints of the operating instructions
• Controller H1700