Lab Sliding CVD Annelaing Tube Oven with Vacuum Pump for Graphene and Carbon Nanotubes

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Quick Details
Laboratory Heating Equipments
Brand Name:
Model Number:
lab annealing furnace
Place of Origin:
Henan, China
tube material:
high purity quartz tube
tube size:
One Year
Supply Ability
Supply Ability:
100 Set/Sets per Month lab annealing furnace
Packaging & Delivery
Packaging Details
Plastic paper inside,polyfoam filled,wooden box outside
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Lead Time :
Quantity(Sets) 1 - 1 >1
Est. Time(days) 20 To be negotiated

1200°C Max Sliding Lab AnnealingTube Furnace (80mm OD) with Flanges for Fast Heating / Cooling 

lab annealing furnace

Introduction of lab annealing furnace

OTF-1200X-80SL is a CE certified & UL Ready slide-able tube furnace with 3"IDx55" L

quartz tube and flanges and a maximum working temperature up to 1200°C. One pair of

sliding rail is installed on bottom of furnace to allow sliding the furnace from one side to

another to achieve max. heating and cooling rates up to 100°C/min. For fastest heating, the

furnace may be pre-heated to a desired temperature and then be slided to the sample's position.

As for fastest cooling, the furnace can be slided to another side after sample heating is completed.

Moreover, the heating and cooling rates may reach 15°C/s under vacuum or inert gases. This furnace

provides an alternative for rapid thermal processing at the lowest cost.

lab annealing furnace

Technical Parameters of lab annealing furnace

  lab annealing furnace

Furnace Structure

Double layer steel structure with dual air cooling fans

 One pair of sliding rails are installed on bottom of furnace, which allows furnace to be

manually moved from side to side

Vacuum flanges and a digital vacuum gauge are installed  for immediate use.

Sliding rail length is about 1200mm, the furnace can slide 600 mm distance




AC 208-240V Single Phase, 50/60 Hz

Max. Temperature

1200°C (<1 hour)

Continuous Temperature


Heating& Cooling Rates

Heating Rate:

 15°C/sec (RT - 150°C);

 10°C/sec (150°C - 250°C);

  7°C/sec (250°C - 350°C);

  4°C/sec (350°C - 500°C);

  3°C/sec (350°C - 550°C);

  2°C/sec (550°C - 650°C);
  1°C/sec (650°C - 800°C);
  0.5°C/sec (800°C - 1000°C);

Cooling Rate:

15°C/sec (1000 - 950°C);

10°C/sec (950°C - 900°C);

7°C/sec (900°C - 850°C);

4°C/sec (850°C - 750°C);

2°C/sec (750°C - 600°C);
1.5°C/sec (600°C - 500°C);
1°C/sec (500°C - 400°C);
0.5°C/sec (400°C - 300°C);

The max heating and cooling rate is achieved by pre-heat one side of processing tube to the target temperature and then slide the furnace to the other side. You may choose to place the sample in the pre-heat area or not.


Heating Zone Length

440mm ( single zone )

Constant Temperature Zone

120mm (+/-1°C @ 400-1200°C)

Heating Elements

Fe-Cr-Al Alloy doped by Mo

Processing Tube Size

High purity fused quartz tube

Size:  OD: 3.2" x  ID: 3.0" x Length: 55" (inch)   or  OD:  80 x ID 75 x Length 1400  ( mm)

Two foam ceramic blocks are included which must be placed inside tube to avoid heat radiation damaging O-ring

Temperature Controller

PID automatic control with 30 programmable segments for precise control of heating rate, cooling rate and dwell time.

Built-in over temperature alarm and protection allows for operation without attendant.

Two K type thermal couples are included.  One is bilt in furnace to control furnace temperature, and another inserted into tube to monitor sample real temperature profile.

One NIST certified thermometer is included to connect to the thermal couple inside tube. the meter has RS232 Interface with Windows Software which can record temperature profile by PC.

Temperature Accuracy

+/ - 1°C

Vacuum Flanges

Stainless steel vacuum flanges are installed on both ends of tube with heavy duty support.

Right flange:  KF-25 pump connector and needle valve.

Left flange: one needle valve and 1/4" thermocouple feed-through and digital vacuum gauge.

An 24" length x 1/4" dia. K type thermocouple (included) connected to an Omega temperature calibrator (included) will be inserted through this flange to monitor the heating and cooling rates of the sample's position during furnace sliding.

Vacuum Level

10E-5 torr can be reached by molecular pump

10E-2 torr by mechanical pump.

Sliding Rails / Table

Double sliding rail made by Cr plated steel

Sliding length: 1200 mm


 550 x 380 x 520  mm ( furnace only)

1500 x 380 x 620 mm ( furnace + sliding )


One year limited manufacturer's warranty


CE Certified

 More photos of lab annealing furnace

Our Services


1.One  year free warranty.

2.All machines are debugged before shipment.

3.Lifetime technical support  and service.

4.24 hours on line or phone or by email technical support.

5.We offer detailed machine manual and software manual.

6.Our factory make a vivid training CD.

7.Life-long free maintenance.

8.Free training in our factory.

Welcome to visit our factory, learn machine face to face.


24-hours online service makes your inquiry be reply immediately.


Company Information


Zhengzhou CY Scientific Instrument Co., Ltd is mainly engaged in the research and development, design, manufacturing 
and sales of equipment used in scientific researches. Independence and innovation is the company's tenet.Our main 
products include: tube furnace, muffle furnace, plasma cleaner, vacuum furnace, atmosphere furnace,CVD system and 
customized lab equipment.Welcome you come to visit us.