Dear Colleagues,
PT provider UCLSB invites you to take part in Interlaboratory Technical Project MC 08/2021. Test subjects will be: Asphalt /bitouminous/ mixtures and Bitumen and bitumen products, according to the pointed standards and parameters (characteristics) in the following table:
| Test subject | Code of the standard | Name of the standard | ИTested parameters (characteristics) |
|---|---|---|---|
| Asphalt /bitouminous/ mixtures | EN 12697-6:2020, Procedure В (clause.9.3) | АBituminous mixtures - Test methods for hot mix asphalt - Part 6: Determination of bulk density of bituminous specimens | Bulk density /ua/ |
| EN 12697-5:2018, Procedure А (clause.9.2) | Bituminous mixtures - Test methods for hot mix asphalt - Part 5: Determination of the maximum density | Maximum density /ua/ | |
| EN 12697-8:2018, clause 4 | Bituminous mixtures - Test methods for hot mix asphalt - Part 8: Determination of void characteristics of bituminous specimens. | Air voids content /ua/ | |
| EN 12697-34:2020 | Bituminous mixtures - Test methods for hot mix asphalt - Part 34: Marshall test | Stability /ua/ | |
| EN 12697-34:2020 | Bituminous mixtures - Test methods for hot mix asphalt - Part 34: Marshall test. | Flow /ua/ | |
| EN 12697-1:2020 | АBituminous mixtures - Test methods for hot mix asphalt - Part 1: Soluble binder content. | Soluble binder content /ua/ | |
| EN 12697-2:2015+A1: 2019 | Bituminous mixtures - Test methods - Part 2: Determination of particle size distribution | Particle size distribution /ua/ |
/ua/ - under accreditation, within the scope of accreditation of the PT provider; /oa/ - out of the scope of accreditation of the PT provider
| Test subject | Code of the standard | Name of the standard | ИTested parameters (characteristics) |
|---|---|---|---|
| Bitumen and bitumen products | EN 1426:2015 | Bitumen and bituminous binders - Determination of needle penetration. | Needle penetration /ua/ |
| EN 1427:2015 | Bitumen and bituminous binders - Determination of the softening point - Ring and Ball method. | Bitumen and bituminous binders - Determination of the softening point - Ring and Ball method. /ua/ | |
| EN 12593:2015 | Bitumen and bituminous binders - Determination of the Fraass breaking point. | Fraass breaking point /ua/ | |
| EN ISO 2592:2017 | Petroleum and related products - Determination of flash and fire points - Cleveland open cup method (ISO 2592:2017). | Flash point /ua/ | |
| EN 15326:2007+A1:2009 | Bitumen and bituminous binders - Measurement of density and specific gravity - Capillary-stoppered pyknometer method. | Density /ua/ | |
| EN 12592:2014 | Bitumen and bituminous binders - Determination of solubility. | (Determination of) Solubility /ua/ |
/ua/ - under accreditation, within the scope of accreditation of the PT provider; /oa/ - out of the scope of accreditation of the PT provider
- “Invitation for participation” (QF 4.4-3) in MC 08/2021;
- “Application form” (QF 4.4-4) for MC 08/2021;
- QF 4.4-1 Detailed plan for ILC/PT
Legend:
* The date which is pointed as a beginning of the relevant project is the date when acceptance of the applications starts.
** Application forms for the relevant project in English and Bulgarian may be found in the “PT Schemes” section on our webpage: http://www.ptprovider.sslsb.org/
*** The end of the relevant project means that this is the deadline for the report to be prepared in case nothing else is stated in the instruction form QF 4.4-5.
/ua/ Under accredtitation (covered by the scope of accreditation) /оа/ Out of accreditation (not covered by the scope of accreditation)
Note: All participants will receive further instructions for the process of implementing the relevant PT scheme. The minimum number of participants for a parameter to be included in the relevant PT scheme is 5.