Construction fiber Asthetransportationinfrastructureofourcountryisbeingconstructedextensively,especiallytherapiddevelopmentofthefreewayconstruction,theasphaltpavementisplayingmoreandmoreimportantrolenow. Withthechannelizationofthetransportation,theincreaseofthetrafficvolumeandtheloadofthetransit,etc,thereishigherrequirementtothequalityanddurabilityoftheadvancedasphaltpavement. Toavoidtheinfluencetothelifetimeofthegeneralasphaltpavementcausedbyitsearlydamage,suchascrackandpotholesofthetrack,recentyears,thattheindustrializedpolymersynthesisfibersareusedintheasphaltconcreteasthereinforcingmaterial,hasgotthepopularconcernandwiderecognitionfromthetransportationandhighwayresearchdepartmentoftheworld. Thisfiberisusedtoinsteadofsteelfibreforreinforcementtocementconcrete.Comparedwithsteelfibre,ithastheadvantageofeasydispersingandblending,nodamagetothemixingequipments,etc. MainTechnicalSpecification Density(g/cm3) 0.91 ElasticModulus(MPa) >5000 Length(mm) 54 EquivalentDia(mm) 0.3±0.05 Shape bundle-likeandtwisted BreaktensileRatio(%) >15 BreakStrength(MPa) ≥560 Resistancetoacid,alkali strong