Type/Specification

Before shrink (mm)

After shrink (mm)

ID

Wall thickness

ID

Wall thickness

HSPT-15/7

≥ 14

0.6

≤7

1.7

HSPT-20/9

≥ 18

0.7

≤9

1.8

HSPT-25/9

≥ 23

0.5

≤9

1.7

HSPT-30/11

≥ 28

0.7

≤12

2.2

HSPT-35/13

≥ 33

0.8

≤14

2.2

HSPT-40/15

≥ 38

0.8

≤16

2.2

HSPT-45/18

≥ 43

0.8

≤18

2.2

HSPT-50/22

≥ 48

1.2

≤22

2.9

HSPT-60/22

≥ 58

1.0

≤22

2.8

HSPT-80/27

≥ 75

1.0

≤28

3.2

HSPT-100/38

≥ 95

1.5

≤39

4.3

HSPT-120/44

≥ 118

1.5

≤45

4.5

HSPT-140/49

≥ 138

1.9

≤50

5.0

HSPT-160/66

≥ 150

2.0

≤67

6.0

HSPT-200/66

≥ 195

1.5

≤70

6.0

Test Item

Unit

Requirement

Test result

Hardness Shore A

Tensile strength

MPa

≥ 13

15.1

Elongation at break

%

≥ 300

400

Heat aging 168h at 120° C

pass

pass

Disruptive strength

kV/mm

≥ 15

18.0

Volume resistivity

Ω·m

≥ 10^11

1.5×10^12

Shrink temperature

° C

120-130

Water absorption

%

≤ 0.1

0.05