Water Blocking Yarn
Water Blocking Yarn
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Water Blocking Yarn

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1. Application

The water blocking yarn consists of industrial polyester filament, macromolecule swelling water absorbing tree ester and adhesive.

It is mainly used for water blocking and filling between optical fiber cable, communication cable, fan-shaped wire core, power

cable, submarine cable and other parts.

2. Principle

The water block yarn consists two parts. One part is basing material, which is made of nylon or Polyester as reinforced rib to ensure

the yarn to have better tensile strength and elongation. The other part contains the expansion powder and fiber of polyacrylic ester,

Which is super water absorption polymer, After absorbing the water, it will swell quickly to full the gap of cable to meet the purpose

of water blocking.

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3. Standard

YD/T 1115.2-2001.

4. Package

In Roll

ID

38mm/76mm/94mm

OD

Max270mm

Qty./20FCL

5.5-6.5MT

5. Technical Specification

Specification

Yarn density (Dtex)

Basis weight (m/kg)

Breaking strength (N)

Elongation

(%)

Swelling rate (ml/g/1st min)

Long-term thermal expansion rate (150℃,24H,ml/g)

Transient thermal expansion rate (230℃,10min,ml/g)

Water contain rate (150℃,1min,%)

700D

780

12857

≥50

15↓

≥60

≥65

≥65

9↓

1500D

1670

6000

≥50

15↓

≥60

≥65

≥65

9↓

2000D

2220

4500

≥60

15↓

≥60

≥65

≥65

9↓

2500D

2780

3600

≥70

15↓

≥60

≥65

≥65

9↓

3000D

3330

3000

≥100

15↓

≥60

≥65

≥65

9↓

4500D

5000

2000

≥150

15↓

≥55

≥65

≥65

9↓

6000D

6670

1500

≥200

15↓

≥50

≥55

≥55

9↓

9000D

10000

1000

≥250

15↓

≥45

≥55

≥55

9↓

18000D

20000

500

≥300

15↓

≥40

≥50

≥50

9↓


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