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Roll film oven

Used to determine the mass loss of road petroleum asphalt after heating with a rotating thin film. And, as needed, determine the changes in properties such as penetration, viscosity, ductility, and softening point of the asphalt residue after heating the rotating thin film, in order to evaluate the aging performance of the asphalt.

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Asphalt binder testing instrument

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Structure
1. The main body of this oven is made of thin steel plate, with the electrical control part at the bottom, the oven working chamber at the top, and a turntable motor at the rear.
2. The working chamber is a double-layer door made of stainless steel, with a rectangular observation window. The interior is equipped with a lighting lamp, a squirrel-cage fan, forced ventilation ducts, vents, a turntable, etc. The working chamber shell is entirely made of stainless steel.
3. The oven is equipped with a small air compressor to supply the air needed for the test. After being metered by a flow meter on the panel, the air enters the preheated copper pipes spiraling inside the oven. Then, it is sprayed into the sample bottles on the turntable through nozzles. Under the action of the forced ventilation ducts and the squirrel-cage fan, the airflow inside the oven circulates in a certain direction. Some excess air is discharged from the overflow port at the top.
4. The oven uses a double-layer, double-flow electric heating system (top and bottom).
5. There is a turntable inside the working chamber that rotates at 15 revolutions per minute. It can simultaneously accommodate 8 glass sample bottles with narrow necks for asphalt samples.
Technical Parameters
1. Voltage 220V±10% 50Hz
2. Total Power 3.2kW
3. Air Supply 4000ml/min
4. Turntable Speed 15 r/min
5. Number of Sample Bottles that can be installed 8
6. Operating Temperature 163℃±0.5℃
7. Instrument Size 71x62x88 (cm)
8. Gross Weight 60kg

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Roll film oven

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Asphalt binder testing instrument

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