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Bitumen and bituminous binders. Determination of the resistance to hardening under influence of heat and air -- RFT method
This part of ENÂ 12607 specifies a method for measuring the combined effects of heat and air on a thin moving film of bitumen or bituminous binder, simulating the hardening which most bituminous binders undergo during mixing in an asphalt mixing plant. The method is suitable for other bituminous binders than paving grade bitumen, but the reference temperature might give excessive hardening that does not resemble real conditions during mixing at the plant. The method may not represent the hardening that occurs during mixing of warm mix binders.
The method is referred to as RFT, i.e. Rotating Flask Test.
Use of this European Standard can involve hazardous materials, operations and equipment. This European Standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this European standard to identify the hazards and assess the risks involved in performing this test method and to implement sufficient control measures to protect individual operators (and the environment). This includes appropriate safety and health practices and determination of the applicability of regulatory limitations prior to use.
If there is a likelihood of volatile components being present in a binder, this procedure should not be used. It should not be used for cut-back bitumen or bituminous emulsions before these products have been stabilized, e.g. in accordance with EN 13074‑2 .
| SDO | BSI: British Standards Institution |
| Document Number | EN 12607-3 |
| Publication Date | Nov. 30, 2014 |
| Language | en - English |
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| Supercedes | |
| Committee | PTI/13 |
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