Proton-8
Features:
Features:
- High grip and heat resistance
- High strength to weight ratio with low water absorption for lightweight handling
- Flexible, torque-free 8-strand with a firm cross lay
- Easy to splice
- Primary or secondary vessel mooring lines
- Tractor tug winch line
- Ship “tug” lines - stored on winch drum or flaked on deck
- Barge tie-up lines
Proton-8 uses Dyneema® SK-75 for high strength and low weight, with a polyester overlay to provide the heat resistance and grip necessary for use on bitts and captan. It’s firm, flexible, torque-free construction works well on both single and split drum winches.
Technical Specifications:
- Class II Rope
- Specific Gravity: 1.09
- Elastic Elongation Percentage: At % of breaking strength – 10%....0.58% / 20%...0.87% / 30%...0.96%
- Splicing Procedures Required
- Eye splice - 8-strand/Class II Rope
- End for End splice - 8-strand/Class II Rope
| Size Dia. | Size Circ. | Dia. MM | Weight Per 100'/Lbs. | Min Break Strength/Lbs. |
| 1" | 3" | 24 | 25.0 | 54,900 |
| 1-1/8 | 3-1/2 | 28 | 30.5 | 68,900 |
| 1-1/4 | 3-3/4 | 30 | 38.5 | 86,900 |
| 1-5/16 | 4 | 32 | 41.5 | 104,000 |
| 1-3/8 | 4-1/8 | 34 | 46.0 | 108,000 |
| 1-1/2 | 4-1/2 | 36 | 55.4 | 125,000 |
| 1-5/8 | 5 | 40 | 68.0 | 140,000 |
| 1-3/4 | 5-1/2 | 44 | 74.8 | 190,000 |
| 2 | 6 | 48 | 99.0 | 238,000 |
| 2-1/8 | 6-1/2 | 52 | 112.0 | 277,000 |
| 2-1/4 | 7 | 56 | 125.0 | 316,000 |
| 2-3/8 | 7-1/4 | 57 | 140.0 | 383,000 |
| 2-1/2 | 7-1/2 | 60 | 149.0 | 396,000 |
| 2-5/8 | 8 | 64 | 172.0 | 436,000 |
| 2-3/4 | 8-1/2 | 68 | 188.0 | 468,000 |
| 3 | 9 | 72 | 198.0 | 542,000 |
| 3-1/4 | 10 | 80 | 254.0 | 628,000 |








