The specific gravities of the basic yarns are as follows: Nylon 1'14, Terylene 1.38, Polypropylene 0.91 and Polyethylene 0.95; whereas manila and sisal are both about 1.5.
Imibizane yomhlaba echaziweyo yeziseko zemisonto ingoluhlobo lulandelayo: Umqhaphu 1'14, iTerelina 1.38, iPolipropelina 0.91 kunye nePolithelina 0.95; ngeli lixa i-manila ne-sisal isisi-1.5.