This European Standard specifies siliceous and calcareous fly ash used in hydraulically bound mixtures for roads, airfields and other trafficked areas. This European Standard applies to fly ash produced by the combustion of pulverised coal or lignite in e
DS/EN 14227-4:2013 history
2013DS/EN 14227-4:2013 Specifications - Part 4: Fly ash for hydraulically bound mixtures
2000DS/EN ISO 15483:2000 Cross recessed raised countersunk head drilling screws with tapping screw thread