Rolling Thin Film Ovens (RTFOT)

ASTM D2872 | AASHTO T240  | NZTA M1: 2011 | NZTA M01-A: 2019
These ovens are used for measuring the effect of heat and air on a moving film of semi-solid bituminous materials.

81-PV1612: RTFOT, Bitumen oven for rolling-thin film oven test. ASTM version.
230 V, 50 Hz, 1 ph

81-PV1622: RTFOT, Bitumen oven for rolling-thin film oven test. EN version.
230 V, 50 Hz, 1 ph

Main features:
  • Touch-screen display with 4.5” color control panel, including timer function, visual warnings and digital air flow regulator
  • Full conformity to temperature specifications (time to reach target temperature after switch on, target temperature adjustment after samples insertion) from the Standards
  • Carousel rotation with closed-loop controlled speed
  • Safety features: Automatic over-temperature switch, door switch, pilot lamp and alarm for door open with fan still running; magnetothermic switch
  • High quality stainless steel structure, internal and external
  • Door with double-glazed window
  • Door locking system allowing easy opening also with busy hands

The internal chamber is made from stainless steel, insulated with fiberglass or similar, with an external frame made from engine-turned stainless steel and a door with a centrally located window.
Special attention has been given to the safety features which conform to CE requirements. 

The oven is supplied complete with flow meter, ASTM 13C thermometer and 8 heat resistant glass containers (64 m high x 140 mm diameter).
The oven must be connected to a compressed air source supplying 2 bar minimum pressure. If not available in the laboratory we recommend to order Diaphragm pump.

The Rolling thin film ovens (RTFOT) can be used as part of your Superpave performance based testing program.