Environmentally friendly 80 ℃ polyvinyl chloride automotive raw material is a granular cable material made from high-quality polyvinyl chloride resin as the base material, added with plasticizers, stabilizers, antioxidants, fillers and other additives, mixed, plasticized, and granulated.
Model, brand and various names, execution standards, purposes and specifications

Model	Brand number	Maximum operating temperature of wire core (℃)	Name	Execution standards	Usage and Cable Material Specification
QCX-80	088B	80	80 ℃ PVC automotive raw material	Meet the wire gauge of 1-6 square meters or more in SAEJ1127/JISC3406	Used for automotive wiring harness and wire materials with a working temperature of 80 ℃

Note: The relative density index and color are determined through negotiation between the supply and demand parties.

Mechanical and electrical properties

Experimental project		Company	Technical parameter
			088B
Tensile strength		≥ MPa	15.0
Fracture tensile strain		≥ %	180
Brittle temperature		≤ ℃	-20
Volume resistivity	20℃	≥ Ω•m	1.0×10¹²
	80℃	≥ Ω•m	1.0×10⁸
Thermal deformation		≤ %	40
Hardness		90±2	90A
Thermal aging performance
Thermal aging temperature		℃	121
Thermal aging time		h	168
Residual tensile strength after aging Residual rate of tensile strain at break		≥ %	85
		≥ %	65

Processing technology
Using a general extruder for processing, with L/D ≥ 20, it is recommended to set the temperature at each point of the extruder as follows:

District Point	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Die head
Temperature ℃	165	170	175	180	180	185

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