... coil stretched completely straight? what is the cord outer diameter? 3.0mm suggested!what is the Jacket Material? We have PU, PVC ... tensile strength? We have filler of Nylon yarn, Kelver, cotton thread and etc available do you need the core to be ... lead time: 7-15days, to adjust according to the quantityCharacteristics: high memory,high restoring force, resistant to cold, heat, grease, acids, bases ...