This Water Blocking Yarn has excellent heat-resistance property. It is non-corrosive and has no acid or alkali included. With its fast water absorbing speed and high tensile strength, the Star Materials Water blocking yarn is used in communication cables, optical cables, power cables or marine cables for the purpose of binding, tightening and to prevent water penetration.
Technical Characteristics Table:
Specification | Unit | Water Blocking Yarn | ||||||||
Denier | D | 1000 | 1500 | 2000 | 2500 | 3000 | 4500 | 6000 | 9000 | 18000 |
Linear Density | m/kg | 9000 | 6000 | 4500 | 3600 | 3000 | 2000 | 1500 | 1000 | 500 |
Tensile strength | N | ≥20 | ≥50 | ≥60 | ≥70 | ≥100 | ≥150 | ≥200 | ≥250 | ≥300 |
Elongation at break | % | ≥15 | ||||||||
Swelling speed | ml/g/1.min | ≥20 | ≥30 | ≥35 | ≥40 | ≥45 | ≥45 | ≥50 | ≥50 | ≥50 |
Swelling amount | ml/g | ≥30 | ≥40 | ≥45 | ≥50 | ≥55 | ≥55 | ≥60 | ≥60 | ≥60 |
Water Content (150°C,1min) | % | ≥9 |
Note: 9Denier=1g/km
Bobbin & Tube Size:
Bobbin ID (mm) |
Bobbin Height (mm) |
Yarn OD (mm) |
Yarn Weight (kg) |
Core | ||
Standard | 92.5, 95 | Standard | 200 | 210-240 | 3.7-4.5 | Paper |
Optional | 76, 128 | Optional | 170, 180 |
Packaging and Marking:
The product will be packed in paper carton and fixed with Vacuum PE film inside. It is then sealed and packed on a wooden pallet. After it is fixed, an external plastic coversheet is wrapped around it to avoid water penetration.
Storage Information:
The product has a shelf life of 12 months from production date if stored in unopened original packages, under dry and clean conditions at temperatures between 10-30°C. The product will be damaged if stored in a moist area or contacted with water.