PVC compounds for Wires & Cables – BS standards

Property

Test Method

Unit

Specification

Application

Insulation

Insulation

Insulation

Sheathing

Sheathing

Insulation

Insulation

Sheathing

Sheathing

Standard

TI1

TI2

TI3

TM1

TM2

Type 2

Type 5

Type 6

Type 9

Density

ISO 1183

g/cm3

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

1.45 ÷ 1.55

Hardness

ASTM D 2240

Shore A

87 ÷ 90

80 ÷ 85

88 ÷ 90

87 ÷ 90

80 ÷ 85

90 ÷ 92

90 ÷ 92

80 ÷ 85

88 ÷ 90

Tensile strength

IEC 60811-1-1

N/mm2

≥ 12.5

≥ 10.0

≥ 15.0

≥ 12.5

≥ 10.0

≥ 18.5

≥ 12.5

≥ 6.0

≥ 12.5

Elongation

IEC 60811-1-1

%

≥ 125

≥ 150

≥ 150

≥ 125

≥ 150

≥ 125

≥ 125

≥ 125

≥ 150

Aging condition

IEC 60811-1-2

80°C x 7D

80°C x 7D

135° x 14D

80°C x 7D

80°C x 7D

-

135°C x 10D

-

100°C x 7D

    Tensile strength after aging

N/mm2

≥ 12.5

≥ 10.0

≥ 15.0

≥ 12.5

≥ 10.0

-

≥ 12.5

-

≥ 12.5

    Variation

%

≤ ±20

≤ ±20

≤ ±25

≤ ±20

≤ ±20

-

≤ ±25

-

≤ ±25

    Elongation after aging

%

≥ 125

≥ 150

≥ 150

≥ 125

≥ 150

-

≥ 125

-

≥ 150

    Variation

%

≤ ±20

≤ ±20

≤ ±25

≤ ±20

≤ ±20

-

≤ ±25

-

≤ ±25

Heat shock test 150°C x 1hr

IEC 60811-3-1

-

No crack

No crack

No crack

No crack

No crack

No crack

No crack

No crack

No crack

Loss of mass

Aging condition

IEC 60811-3-2

mg/cm2

≤ 2.0

80°C x 7D

≤ 2.0

80°C x 7D

≤ 1.5

115°C x 10D

≤ 2.0

80°C x 7D

≤ 2.0

80°C x 7D

≤ 2.0

80°C x 7D

≤ 1.5

115°C x 10D

≤ 2.0

80°C x 7D

≤ 1.5

100°C x 7D

Volume resistivity at 27°C

ASTM D257

Ω.cm

≥ 10¹³

≥ 10¹³

≥ 10¹⁴

-

-

≥ 10¹⁴

≥ 10¹⁴

-

-

Thermal stability at 200°C

IEC 60811-3-2

min

≥ 60

≥ 60

≥ 240

≥ 60

≥ 60

≥ 60

≥ 60

≥ 60

≥ 60

Low temperature test

IEC 60811-1-4

°C

-15

-15

-15

-15

-15

-15

-15

-15

-15