... 4. Usage: Road Granite Kerbstone Advantageous:Different kinds of curbstone according with EN-1343: RV,RF,GV,GF,A,B,V22,R17,V17 ... : grey graniteStandard: EN-1343Finishes: flamedPhysical characteristics of the material grey granite G341:1). Natural density: 2.67+/- 0.02 T/m32 ... .6 N/mm2Main export markets: Sweden, Finland, Danmark, UK, Germany.. Cheap granite kerrbstone on sale!