Material Name

Model

Application and Cable Criterion

70 PVC Insulation Material

J-70

For making 0.6/1KV or lower voltage cable insulation layer, comply with GB/T-8815-2002 and ROHS

70 Flexible PVC Insulation Material

JR-70

For making 450/750V or lower voltage wire and cable insulation layer, comply with h GB/T-8815-2002 and ROHS

Test Item

Standard Value

J-70

JR-70

Tensile strength(Mpa)

15.0

15.0

Elongation (%)

≥150

≥180

Strike brittle temperature

Test temperature

-15

-20

Performance

PASS

PASS

Volume resistivity at 20(Ω.m)

≥1.0×10¹²

≥1.0×10¹¹

Work temperature volume resistivity

test temperature ()

70±1

70±1

volume resistivity (Ω.m)

≥1.0×10⁹

≥1.0×10⁸

Dielectric strength MV/m

≥20

≥20

Heat distortion (%)

≥40

≥50

Heat stable at 200 (Minute)

≥60

≥60

Test Item

Standard Value

J-70

JR-70

Heat aging temperature ()

100±2

100±2

Heat aging time (h)

168

168

Tensile strength after aging (Mpa)

≥15.0

≥15.0

Tensile strength change (%)

±20

±20

Elongation after aging (%)

≥150

≥180

Elongation change (%)

±20

±20

Weight lossg/m²

20

20