Fraction 4/22mm

Fraction 4/ 22 mm – for concrete production


Tested feature, markingTest resultsAllowed range of result values
Category for granulometric compositionGc90/15BDS EN 12620:2002+A1:2008/NA:2008
Composition ofelongated andflat aggregates1.9% of the massBDS EN 12620:2002+A1:2008/NA:2008
Composition of fine fraction, f0.2% of the mass≤0.5 for category f0.5BDS EN 12620:2013
Washable particle content0.1% of the massBDS EN 12620:2002+A1:2008/NA:2008
Specific particle density:-Particle density in dry condition -Particle density in saturated surface dry condition– Apparent particle density2.60 mg/m32.62 mg/m3 

2.64 mg/m3

BDS EN 12620:2013No requirement No requirement 

No requirement

Water absorption, WA0.6% of the mass≤1 for category WA241BDS EN 12620:2013
Acid-soluble sulfates content, SO30.04% of the mass≤1 BDS EN 12620:2002+A1:2008/NA:2008
Total sulfur content0.03% of the mass≤1.5 for concrete from groups I and IVBDS EN 12620:2002+A1:2008/na:2008
Chloride content0.01% of the massNo requirementBDS EN 12620:2013
Clay lumps and admixtures content0.0% of the mass≤1 for concrete from groups I and II≤0.5 for concrete from groups III and IVBDS EN 12620:2002+A1:2008/na:2008
Humus contentDoes not containBDS EN 12620:2002+A1:2008/na:2008
Crushing ability on static load10.6% of the mass≤12 for all groups and classes of concrete≤ B60 and ≤16 за I, II and III concrete groups and classes ≤В25BDS EN 12620:2002+A1:2008/NA:2008
Resistance to fragmentation – the Los Angeles test, LA35≤ 35 for concrete from groups LA35BDS EN 12620:2013


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.