Fuente: WIPO "hemp" Sisal rope core for elevator rope contains three sisal hemp yarn thighs and center thigh, the periphery at the center thigh is established to three sisal hemp yarn thighs, sisal hemp yarn thigh contains the dry yarn of ramie of the six roots of sensation and two spunyarn yarns, the periphery at two spunyarn yarns is established to the dry yarn of ramie of six roots of sensation parcel, each otheris twisted with the fingers about the dry yarn of ramie and spunyarn yarn, sisal rope's nominal diameter 8.15mm, the length of lay 32.6mm of wire rope core, the spunyarn yarn and the dry yarn of ramieare 0.8, the fibre material of the spunyarn yarn and the dry yarn of ramie is african 3L level fibre, the big 100cm of fiber length, is sisal rope's oil -bearing rate steerable 10 6200~6350N of pulling force of 15%, sisal rope. The utility model provides an oil content is convenient for control by sisal rope core for elevator rope, and wire rope core density and circularity obtain improving simultaneously, possess good holding power, can keep the elevator with the structure of restricting, guarantees good mechanical properties.