TABLE 1A

Special type test for Type 2 cables


Sample conditions



Test description

Aged

Unaged

Method

Requirement

Sheath cut through

Yes

Yes

HD 605.2.4.6

The median force at which the cutting edge makes contact with the armour shall be not less than:

Unaged 500 N for sample at 20°C

100 N for sample at 70°C

Aged 300 N for sample at 20°C

80 N for sample at 70°C

Crush on complete cable

Yes

Yes

HD 605.2.4.7

The median force at which the tester stops shall be not less than

5000 N for sample at 20°C

1000 N for sample at 70°C

Retraction of sheath

No

Yes

HD 605.2.4.4.2

There shall be not more than 1mm of movement between the outer sheath and gland body at each end.

Sheath penetration

No

Yes

HD 605.2.4.3

The sheath shall withstand the voltage test.

Long term water immersion test

No

Yes

HD 605.5.3.1

The cable shall meet the insulation resistance and voltage withstand requirements given in HD 605.5.3.1.

There shall be no significant signs of corrosion of the armour wires nor presence of free water.

Flame propagation test on insulated core taken from cable (Tl Z insulation only)

No

Yes

HD 405.1

The core shall meet the requirements given HD 405.1

TABLE 1A

Special type test for Type 2 cables (concluded)


Sample conditions



Test description

Aged

Unaged

Method

Requirement

Sequential electrical tests on thermally aged cable:





a) insulation resistance

Yes

Yes

HD 605.3.3.2

The value obtained in the aged sample shall be no lower than that obtained on the unaged sample.

b) impulse voltage test for 1.9/3.3kV cables

Yes

No

HD 605.3.2.4.1

No breakdown of the insulation shall occur following impulses at 25kVp.

c) Voltage test on oversheath

Yes

No

HD 605.3.2.3.1

No breakdown of the oversheath shall occur following the application of 2kV for 1 min.

d) Visual examination

Yes

No


Each component essential for the continued function of the cable shall not show evidence of excessive deterioration including melting or bonding or deterioration of the insulation due to contact with other components of the cable.

e) Voltage test on insulation

Yes

No

HD 605.3.2.1

No breakdown of the insulation shall occur following the application of 2kV for 5 min.



Requirements for the non-electrical tests for non-halogenated bedding and oversheath

1

2

3

4

5

6

Ref.

Test


Type of compound

Test method

No.

Unit

ZB1

ZB2

ZM1

ZM22

1

Test strength and elongation at break







1.1

Properties in the state as delivered






EN 60811-1-1

Sub-clause 9.2

1.1.1

Values to be obtained for the tensile strength:








- median, min.

N/mm1

4

8

10

8


1.1.2

Values to be obtained for elongation at break:








- median, min.

%

50

50

100

75


1.2

1.2.1

Properties after ageing in air oven

Ageing conditions:


N/A




EN 60811-1-2

Sub-clause 8.1


- temperature

- duration of treatment

°С h

-

100±2

7 x 24

100±2

7 x 24

100±2

7 x 24


1.2.2

Value to be obtained for the tensile strength:








- median, min.

- variation”, max.

N/mm2 %


8

10

± 40

8


1.2.3

Value to be obtained for the elongation at break:








- median, min.

- variation”, max.

% %


50

100 ± 40

75


2

(Spare)







3

(Spare)







4

(Spare)







11 Variation: Difference between the median value after ageing and the median value without ageing, expressed as a percentage of the latter.



N/A Test not applicable.

21 Where dual-layer sheaths are provided, one of the component materials shall meet the requirement.Requirements for the non-electrical tests for non-halogenated bedding and oversheath

(continued)

1

2

3

4

5

6

Ref.

Test

Unit

Type of compound

Test method

No.

ZB1

ZB2

ZM1

ZM221

5

Pressure test at high temperature


N/A




EN 60811-3-1 sub-clause 8.2

5.1

Test conditions:

- force exerted by blade



See

EN 60811-3-1 sub-clause 8.2.4

See

EN 60811-3-1 sub-clause 8.2.4

See

EN 60811-3-1 sub-clause 8.2.4



- duration of heating under load



See

EN 60811-3-1 sub-clause 8.2.5

See

EN 60811-3-1 sub-clause 8.2.5

See

EN 60811-3-1 sub-clause 8.2.5



- temperature

°С


80 + 2

80±2

80 + 2


5-2

Result to be obtained - median of the depth of penetration, maximum

%


50

50

50


6

6.1

Bending test at low temperature

Test conditions:

  • temperature

  • period of application of low temperature

°С

N/A

N/A

-15±2

See

EN 60811-1-4 sub-clause

8.2.3

-15±2

See

EN 60811-1-4 sub-clause 8.2.3

EN 60811-1-4 sub-clause 8.2

6.2

Results to be obtained




Absence of cracks

Absence of cracks


7

Elongation test at low temperature


N/A

N/A



EN 60811-1-4 sub-clause 8.4

7.1

7.2

Test conditions:

  • temperature

  • period of application of low temperature

Result to be obtained:

°С



-15±2

See

EN 60811-1-4 sub-clause 8.4.4

-15±2

See

EN 60811-1-4 sub-clause 8.4.4



- elongation without break, min.

%



30

30


N/A Test not applicable.







21 Where dual-layer sheaths are provided, one of the component materials shall meet the requirement.




Table 2

Requirements for the non-electrical tests for non-halogenated bedding and oversheath

(continued)

1

2

3

4

5

6

Ref.

Test

Unit

Type of compound

Test method

No.

ZB1

ZB2

ZM1

ZM221

8

Impact test at low temperature


N/A




EN 60811-1-4 sub-clause 8.5

8.1

Test conditions:

  • temperature

  • period of application of low temperature

°С



-15 + 2

See

EN 60811-1-4 sub-clause

8.5.5

-15 + 2

See

EN 60811-1-4 sub-clause 8.5.5



- mass of hammer




See

EN 60811-1 4 sub-clause 8.5.4

See

EN 6081 1-1-4 sub-clause 8.5.4


8.2

Result to be obtained




See

EN 60811-1-4 sub-clause 8.5.6

See

EN 60811-1-4 sub-clause 8.5.6


9

Insulation resistance constant min. @ 20 °С

M<1.km

N/A

N/A

0.0035


HD 605.3.3.4

10

Water immersion test






HD 605.2.2.12

10.1

Test conditions








- temperature

- duration of treatment

'С h


70 + 2

7 x 24



10.2

Values to be obtained for tensile strength








variation11, max.

%



± 30



10.3

Values to be obtained for elongation at break








variation1*, max.

%



± 30



11

Tear resistance

N/mm

N/A


3.5

3.5

HD 605.2.2.2.2

11 Variation: Difference between the median value after ageing and the median value without ageing expressed as a percentage of the latter.

21 Where dual-layer sheaths are provided, one of the component materials shall meet the requirements.