1、Central strength member (CSM): FRP rod 2、Fiber 6-144F IUT-T G652D 3、Loose tube containing fibers and filled with a suitable water tightness filling compound 4、Loose tubes SZ stranded around CSM 5、Longitudinal water tightness: dry core with water swellable yarns 6、Water blocking tape 7、Aramid Yarn 8、Outer Sheath: Black HDPE 9、All materials are RoHS compliant