Mechanical, physical and electrical properties of polyvinyl chloride cable material

Item		H-70	HR-70	HⅠ-90
Tensile strength/MPa	≥	15.0	12 . 5	16 . 0
Tensile strain at break/%	≥	180	200	180
Thermal deformation	≥	50	65	40
Brittle property test temperature/℃		-15	-30	-20
Impact embrittlement properties		Pass	Pass	Pass
Thermal stability time at 200℃/min	≥	50	60	80
Volume resistivity at 20℃/Ω·m	≥	1.0×10 12	1.0×108	1.0×10 9
Dielectric strength/(MV/m)	≥	18	18	18
Dielectric loss factor(50Hz)	≤	—	—	—
Test temperature/℃		—	—	—
Volume resistivity/Ω·m	≥	—	—	—

Mechanical and physical properties of polyvinyl chloride cable material after aging

Item		H-70	HR-70	HⅠ-90
Test temperature/℃		100±2	100±2	100±2
Test time/h		168	168	240
Tensile strength after aging /MPa	≥	15.0	12.5	16.0
Maximum tensile strength change rate/%		±20	±20	±20
Tensile strain at fracture after aging/%	≥	180	200	180
Maximum change rate of tensile strain at break/%		±20	±20	±20
Test condition		100±2℃	100±2℃	100±2℃
		168 h	168 h	240 h
Mass loss/(g/m2)	≤	23	25	15

olyvinyl chloride sheathed cable material (PVC sheathed cable material) is a versatile and durable material used in the production of cables for a variety of applications. This material offers a wide range of benefits, making it a popular choice within the industry.

One of the main advantages of PVC sheathed cable material is its excellent insulation properties. PVC is known for its high dielectric strength, which makes it a reliable choice for insulating cables and protecting them from electrical hazards. This ensures the safety and efficiency of the cable, making it suitable for use in a variety of electrical and communication systems.

 Additionally, PVC sheathed cable material is resistant to moisture and chemicals, making it suitable for outdoor and harsh environmental conditions. This makes the cable very durable and long-lasting, reducing the need for frequent maintenance and replacement.