River rock ballast 0/45 mm – For roads and other constructions
|Tested feature, marking||Test results||Allowed range of result values|
|Category for granulometric composition||GA90||BDS EN 13242:2013|
|Index of flat aggregates, FI||5||≤10 for category FI10BDS EN 13242:2013|
|Composition of fine fraction, f||1.3% of the mass||≤3 for category f3BDS EN 13242:2013|
|Form factor, SI||6||≤15 for category SI15BDS EN 13242:2013|
|Specific particle density:- Particle density in dry condition- Particle density in saturated surface dry condition
– Apparent particle density
|2.61 mg/m32.63 mg/m32.65 mg/m3||BDS EN 13242:2013No requirement No requirement No requirement|
|Water absorption, WA||0.7% of the mass||≤1 for category WA241BDS EN 13242:2013|
|Resistance to fragmentation – the Los Angeles test, LA||37||≤40 for category LA40BDS EN 13242:2013|
|Resistance to wear /micro–Deval/, MDE||8||≤10 for category MDE10BDS EN 13242:2013|
|Loss of mass in the magnesium sulfate test, MS||3.8||≤18 for category MS18BDS EN 13242:2013|
|Humus content||Does not contain||BDS EN 13242:2013|
All products, offered by DDF JSC Ruse, meet the requirements of BS EN 12620:2002 and have a certificate for factory production control, issued by the Organization for technical conformity, according to the Ordinance on essential requirements and conformity assessment of construction products, Directive 89/ 106 EEC.
The company has a laboratory which controls the quality of products.