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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Model Number: SBX-85
  • Power: electrical
  • Usage: aging test
  • inner material: stainless steel
  • observation window: 2
  • air circulation: yes
  • bottle number: 8

Packaging & Delivery

Packaging Details wooden case


SBX-85 Thin Film Oven Test, TFOT is used for determining the aging of bitumen. Max. temperature 200 degree, control accurcy 0.5

1. Summary

SBX-85 Bitumen Thin Film Oven Test, TFOT  is designed and produced according to the to JTJ052-93 Standard from the State Ministry of Transportation and Communications with the reference of the relevant rotary film standard in the Japanese JIS Standard.

SBX-85 Bitumen Thin Film Oven Test, TFOT  is applicable for determining the performance variation of the semisolid bitumen under the heating and air actions. This experimental method is comparatively close to the actual circumstances of the heating and agitation in the use process. It can examine the anti-aging performance of the bitumen within a short period of time.


2. Structure


(1) Summarize


The out body is composed by thin steel plates. The upper part is the electric control part, the lower part is the working room of the heater, there is a gear-box of turn plate and electric motor at the rear side.


(2) Working room


Working room is the full stainless steel double door type. Observation window is rectangle. There are many devices in the room, such as light, squirrel cage type fan, compelling ventilation stack, intake, turn plate, etc. The shell of the working room is made all with stainless steel


(3) Ventilation


There is a accessory small air compressor to the heater for the test. Air enters into the copper tube of the heater and warm-up after measured by the flowmeter on the panel, and then is spouted into the sample plasma bottle on the turn plate by the nozzle. The airflow in the heater circumgyrates to a certain direction affected by the compelling ventilation stack and the squirrel cage type fan. Some of the excrescent air is exhausted out of the heater by the upper overlow port.


(4)Constant temperature heating


"Rolling Thin Film Oven Test, RTFOT" is with the type of convection electric heating of up and down layers. The constant control adopts the high sensitive resistance and the temperature controller of time proportion type and adjustment digital.


(5) Turn plate

SBX-85 Bitumen Thin Film Oven Test, TFOT  is fixed with electric motor and speed change mechanism at the rearward. There is a 15r. P. M turn plate in the working room, it can be fixed 8 sample plasma bottle with glass jaws for bitumen sample at the same time.


3.  Technical parameters

3.1  Voltage: 220V±10

3.2  Power: 3800W

3.3  Temperature control accuracy: ±0.5°C

3.4 Temperature control range: 50-200°C


4. picture 


4.1 double observation window, better sealing



4.2 stainless steel inside


4.3 fan motor and exhaust hole









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