Apex Series
Apex-12
Size-for-size stronger than steel wire rope, and it floats.
HMPE12-Strand Single Braid
- Max MBS
- 268,000 lb
- Diameters
- 1/4" – 1-1/2"
Meridian Series
Meridian-DB
The all-polyester double braid that outlives the hardware.
Double BraidPolyester Splice 90%
Schematic — Braided core inside a braided cover
Braided polyester core in a braided polyester cover, heat-set and pre-stretched. Holds its shape in a clutch, on a drum and in a self-tailer.
When to specify this
The default line. Pick it when UV, abrasion and cost per working hour beat absolute strength. If weight governs, step up to Apex-12.
Engineering notes
- Negligible strength loss when wet, unlike nylon
- The least seasonal UV degradation of anything we braid
- Controlled 12% elongation absorbs shock without nylon's recoil energy
- Splices cleanly with a standard double-braid fid set
At a glance
- Max break strength
- 50,000 lb
- Diameter range
- 1/4" – 1-1/4"
- Construction
- Double Braid
- Fibre
- Polyester
- Elongation @ 30% MBS
- 4.8%
- Splice efficiency
- 90%
- Torque balanced
- Yes
Standard colours
White · Black · Cobalt · Signal Red · White/Cobalt fleck
Certification
- ISO 9001 batch traceability
Full spec sheet and batch test certificate supplied with every order, and on request beforehand.
Typical applications
Specifications
Minimum break strength is the value we publish and test to — not an average, and not a working load. Divide by your design factor before putting a number on a drawing.
| Diameter | Min. break strength (lb) | Weight (lb/100 ft) |
|---|---|---|
| 1/4" | 2,400 | 2.1 |
| 5/16" | 3,600 | 3.3 |
| 3/8" | 5,000 | 4.9 |
| 7/16" | 6,900 | 6.6 |
| 1/2" | 9,000 | 8.8 |
| 9/16" | 11,000 | 10.9 |
| 5/8" | 13,500 | 13.5 |
| 3/4" | 19,000 | 19.5 |
| 7/8" | 25,500 | 26 |
| 1" | 33,000 | 34 |
| 1-1/4" | 50,000 | 53 |
Working load shown at a 5:1 design factor for illustration only. Use the load calculator to apply the design factor, sling angle and termination efficiency your application actually requires.
Weights are nominal and vary ±5% with finish and coating. Elongation measured on new rope after bedding-in; expect higher values on the first cycle. Splice efficiency assumes a correctly made splice with the specified bury length.
Load against elongation
Measured to 30% of MBS. Beyond that the curve is extrapolated from the fibre, and drawn dashed to say so.
Load vs. elongation
Meridian-DB — stretch under load
Elongation as a percentage of original length, plotted against load as a percentage of minimum break strength. Drag, or focus the plot and use the arrow keys, to read any point off the curve.
- Elongation
- 4.8 %
- Load
- 30 % MBS
- Stretch / 100 ft
- 57.6 in
- Source
- Measured
- Solid — measured at 10, 20 and 30% of minimum break strength, interpolated with a monotone cubic so the fit cannot overshoot.
- Dashed — extrapolated to 12% using published Polyester elongation at break. Inferred, not measured. Do not design to it.
- Shaded — working load at a 5:1 design factor, i.e. up to 20% of MBS.
| Load (% of MBS) | Elongation (%) | Source |
|---|---|---|
| 0 | 0 | Origin |
| 10 | 1.6 | Measured |
| 20 | 3.1 | Measured |
| 30 | 4.8 | Measured |
| 100 (break) | 12 | Extrapolated from Polyester elongation at break |
Strength to weight
Break strength per pound of rope, across the catalogue. This is the number that decides what a two-person crew can rig.
Strength-to-weight
12 ropes, ranked highest first
STRENGTH-TO-WEIGHT — LB PER LB/100 FT
Break strength divided by weight per 100 ft, best size in each range. Numerically this is breaking length in hundreds of feet — the length of rope whose own weight equals its break strength.
| Rank | Product | Strength-to-weight |
|---|---|---|
| 1 | Apex-12 | 6,615 |
| 2 | Apex-12 MAX | 6,290 |
| 3 | Vector-PC | 3,793 |
| 4 | Thermion-AR | 3,136 |
| 5 | Datum-LCP | 3,125 |
| 6 | Meridian Hybrid | 2,663 |
| 7 | Ascent NFPA-G | 1,322 |
| 8 | Meridian-DB (this rope) | 1,143 |
| 9 | Canopy-24 | 1,063 |
| 10 | Harbour-3 | 1,040 |
| 11 | Surge-8 | 1,000 |
| 12 | Drift-PP | 809 |
Also specified for these applications
Apex Series
Apex-12 MAX
SK99 HMPE for permanent moorings where creep is the enemy.
HMPE12-Strand Single Braid
- Max MBS
- 1,020,000 lb
- Diameters
- 3/4" – 3"
Vector Series
Vector-PC
Lowest elongation we make. A rope that behaves like a strut.
HMPEParallel Core
- Max MBS
- 112,000 lb
- Diameters
- 1/4" – 1"