heat shrinkable tubing for fiber dome closure

Test Item

Test Method

Results

Sealing

Temperature: 23 ± 3oC; Internal air pressure: 100 ± 2 kPa

Duration: 24 hrs, or immersed in water for 15 mins

Passed

Temperature Cycling

10 temperature cycles from -40oC to 60oC; internal air pressure: 60kPa

No leaking

Duration: 2 hrs at each temperature point 

Thermal Aging

Temperature: 60 ± 2oC; internal air pressure: 70 ± 2 kPa

Passed

Duration: 168 hrs

Elongation

Pulling with  D/45 x 1500 N, internal air pressure: 60 ± 2 kPa

No leaking

Duration: 24 hrs

Cable bending

Subjecting the cable to bend 45 degree, the bending radius: 150mm

No damage

Maximum bending force loading: 500N, internal air pressure: 60 ± 2 kPa

No leaking

Cable Torsion

Subjecting the cable to 90 degree torsion loading, maximum torque 50Nm

No damage

Torsion distance: 250mm, internal air pressure: 60 ± 2 kPa

No leaking

Chemical 

5% HCl, NaOH, NaCl; internal air pressure: 60 ± 2 kPa; 

No corrosion

Resistance

Duration: 24 hrs

No leaking

Chemical Attack

70% gasoline and 30% methylbenzene 

Passed

Duration: 168 hrs

Product

Code

Internal Diameter

Before Shrink/After Shrink

Out Layer Wall Thickness

After Shrink

  Standard

   Length

(mm)

(inch)

(mm)

(mm)

(inch)

S3PS 28/6

28/6

1.1/0.2

2.90 ± 0.10

150

6

S3PS 30/6

30/6

1.2/0.2

2.90 ± 0.10

150

6

S3PS 33/8

33/8

1.3/0.3

2.90 ± 0.10

150

6

S3PS 36/9

36/9

1.4/0.4

3.30 ± 0.15 

150

6

S3PS 43/9

43/9

1.7/0.4

4.50 ± 0.15

150

6

S3PS 55/16

55/16

2.2/0.6

3.60 ± 0.15

150

6

S3PS 75/22

75/22

3.0/0.9

3.60 ± 0.15

150

6

S3PS 105/30

105/30

4.1/1.2

3.70 ± 0.15

150

6