The breaking strength of chemical fibers is usually describe as relative strength. That is, the ratio between the maximum load that the fiber can bear and the linear density of the fiber under the action of continuous increasing load until fracture. The unit is N/ Tex, cN/ DTEX. Expressed in si units as Mpa.
Fracture strength is an important index reflecting fiber quality. High breaking strength, fiber in the processing process is not easy to break, roll around, the final yarn and fabric fastness; But if breaking strength is too high, the fiber rigidity increases, it becomes stiff. The strength of fiber measured in the dry state is called dry strength; The strength of fiber measured in the wet state is called wet strength. The wet strength of viscose fiber is 0% ~ 15% lower than that of dry strength. Most synthetic fibers have very low bibulous rate, so wet strength approaching or equal to dry strength.
The strength of rope is the same as fiber. Except nylon rope’s breaking strength in wet is 10%-15% lower than dry rope. Other synthetic rope (UHMWPE rope,polyester rope)strength have no big difference in wet or dry.——lion rope.
