Rolling Thin Film Oven
Product Code : EL-BTLE-10435
Quick Answer: The Rolling Thin Film Oven (RTFO) is used to measure the effect of heat and air on a moving film of semi solid asphalt binder, simulating the aging that hotmix asphalt binder experiences during the manufacturing and laying process, per EN 12607-1 | ASTM D2872 | AASHTO T240. Binder properties are measured before and after the test, run in a double-walled, insulated oven with a PID temperature controller, holding up to 8 specimens rotating at 15R ±0.2R/min over an 85 minute timed cycle at temperatures from ambient up to 200°c. Repeatability of the test depends directly on how accurately the oven temperature is maintained and how reproducible the system’s thermal rise time is.
The super paver PG binder specification looked for tests which would closely simulate field performance, since hotmix asphalt binder experiences significant aging during the manufacturing and laying process. Investigating this phenomenon within a laboratory environment, with a repeatable and simple test, is very useful within the design process, and the rolling thin film oven (RTFO) test is used to measure the effect of heat and air on a moving film of semi solid asphalt binder. The results of this treatment are determined from measurements of the binder properties before and after the test, and repeatability of the test is directly related to the accuracy with which the oven temperature can be maintained and the reproducibility of the thermal rise time of the system.
Technical Specifications:
Construction : Double-walled construction, interior corrosion resistant stainless steel and exterior mild steel duly painted
Insulation : 75 mm of high density fiberglass insulation
Temperature display : Measured temperature – 4 digit red LEDs
Temperature Controller : PID Controller
Thermal Protection : Prevents oven from overheating in the event of control failure
Electrical Supply : 230 V AC 50 Hz single phase
Dimensions : H 381 mm X W 483 mm X D 445 mm ± 13 mm
Rotating Speed : 15R ±0.2R / Min.
Timing Device : 85 Min Alarm
Specimen Qty : 8 Nos
Ambient Temp. : 5~50°c
Temperature Range : Ambient to 200°c
Temp. Control Accuracy : 0.5C
Vents : Double exhaust vents for dissipation of expended volatile from specimen
Air Flow Adjustment : Needle valve (long taper)
Air Pressure Gauge : Range 0 – 60 PSI
Heat Exchanger : 5/16 inch dia. copper tube
Power Supply : 220 VAC, 50 HZ
Power Rating : 2.6 KW
Estimated Weight : 100 Kg
Standards: EN 12607-1| ASTM D2872| AASHTO T240
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Last Updated: September 2026
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