Steel fibers (Concrete fiber) products CE certified reference test project: 1, Length: Length 2, Diameter: diameter 3, Aspect ratio: aspect ratio of 4, Tensile strength: Tensile strength (EN 10002-1) 5, Modulus of elasticity: elastic modulus (EN 10002-1) 6, ...... concrete fiber CE certified reference standards are: Standard Standard) Description Description EN 14889-1: 2006 Fibers for concrete-Part1: Steel fibers-Definitions, specifications and conformity steel fiber concrete --1: 14889-2 definition of steel fibers, performance and consistency EN: 2006 Fibers for concrete-Part2: Polymer fibers-Definitions, specifications and conformity --2 steel fiber concrete: Definition polymer fibers , performance and consistency to your question to us, we will provide you with free advice, to avoid technical barriers to trade, to guide your products freely sold in all countries.