best quality 2015 duct rodder
Ductrodderarecomposedoffiberglassrodwhichisextrudedbyfiberglassandhighstrengthresinathightemperature.Thistypeofrodhashightensilestrengthandflexibility.Itwascoveredbyahighdensitypolyethyleneengineeringplasticasitsprotectlayer,whichmakeductroddercoverslidingonsurface,durable,corrosionresistantandhasgoodinsulationperformance,whichmakethemsafeforusingincableoccupiedduct.HighDensitypolyethylene(grade:forinsulatingandjacketingofTelecommunicationcables)isusedintheouterdiametercoating.Ductrodderwillbeequippedwithdifferentsizereelaccordingtothelengthofrod.Therearewheelsonthereel,whichmakeitconvenientformoving.
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