Common rubber jacketed flexible cable sheathing compound
This product is produced according to requirements of national standard GB/T7594.4-87 and is suitable for common rubber jacketed flexible cable.
Indicator requirements and measured performance

No.	Item	Unit	Standard requirements	Measured value
1	Tensile strength	MPa	≥7.0	8.0
	Elongation at break	%	≥300	350
2	Air oven aging test                         75±2℃×240 h
	Tensile strength change rate	%	±20	8
	Elongation at break	%	≥250	320
	Change rate of elongation at break	%	≤-20	-15
3	Thermal extension test                        200±3℃×15 min×0.2N/mm2
	Elongation under load	%	≤175	50
	Permanent deformation after cooling	%	≤25	10