Welder cable sheathing compound
This product is produced according to requirements for cable coating for welding machines of national standard GB/T5013.3 and GB/T5013.1 and performance index of SE4 type synthetic elastomer mixture. Product performance fully meets the requirements of the welding machine cable.
Performance indexes of DHJ

No.	Item	Unit		Requirements		Measured value
1	Tensile strength	MPa		≥10.0		12.5
	Elongation at break	%		≥300		360
2	Air oven aging test                         70±2℃×10 d
	Tensile strength change rate	%		±20		8
	Elongation at break	%		≥250		320
	Change rate of elongation at break	%		±20		-11
3	Oil resistance test (ASTM 2# oil)                  100±2℃×24 h
	Tensile strength change rate	%		±40	-5
	Change rate of elongation at break	%		±40	-10
4	Thermal extension test                       200±2℃×15 min×0.2MPa
	Elongation under load	%		≤175		35
	Permanent deformation after cooling	%		≤25		6
5	Brittle temperature	℃				-40
	Llow-temperature bend test      -35±2℃×16 h		No cracks		No cracks
6	Deflection test	Ten thousand times		-		36    o cracks