Rope Strength

 

Leaded

Polysteel

Staple

Spun

Synthetic

Hemp

Strength * ** **** *** ** ***** **** *** **** ***** ** **** ***
Wet vs. Dry

plus

10-15%

–

no

change

plus

10-15%

–

minus

10-15%

no

change

no

change

no

change

no

change

minus

10-15%

no

change

no

change

Shock Absorbency * * ***** * * ***** **** *** **** ***** * **** ****
Dia. (mm) Nylon Polysteel

(Green)

Polysteel

(Floaty)

Polyester Polypropylene Staple Spun

Polysteel

(Leaded)

Polyethylene Synthetic

Hemp

Manila Sisal
4 – – – – 284 – – – – – –
6 809 690 – 570 604 604 – 418 300 295 263
8 1,408 1,193 – 1,020 1,030 1,030 – 725 500 515 459
10 2,162 1,836 1,836 1,590 1,571 1,571 1,407 1,112 950 794 707
12 3,070 2,591 2,591 2,270 2,203 2,203 2,264 1,581 1,360 1,132 1,006
14 4,080 3,468 3,468 3,180 2,948 2,948 2,578 2,132 1,910 1,519 1,357
16 5,294 4,437 4,437 4,100 3,774 3,774 – 2,754 2,500 1,968 1,754
18 6,559 5,559 – 5,100 4,712 4,712 – 3,448 3,170 2,478 2,203
20 8,078 6,752 – 6,300 5,722 5,722 – 4,213 4,220 3,039 2,703
22 9,588 8,068 – 7,600 6,844 6,844 – 5,080 – 3,660 –
24 11,424 9,466 – 9,100 8,038 8,038 – 5,998 4,930 4,334 3,856
28 15,198 12,546 – 12,200 10,710 10,710 – 8,078 – 5,833 5,202
32 19,584 16,014 – 15,700 13,668 13,668 – 10,404 – 7,556 6,732
36 24,480 19,788 – 19,400 17,034 17,034 – 13,056 – 9,494 8,456
40 – 23,868 – 23,900 20,800 20,800 – – – 11,625 –
44 – – – 28,400 27,780 27,780 – – – – –
48 – 33,150* – 33,500 29,170 29,170 – – – – –

*8 strand Polysteel

Rope Weight

Shown in kgs per 220m coil

Dia. (mm) Nylon Polysteel

(Green)

Polysteel

(Floaty)

Polyester Polypropylene Staple Spun

Polysteel

(Leaded)

Polyethylene Synthetic

Hemp

Manila Sisal
4 – – – – 1.5 – – – – – –
6 4.5 3.6 – 6 2.9 3.3 – – 3.3 7 5.2
8 8.2 6.1 – 11 5 6 – 6.5 6 11 9.3
10 12.5 9.5 10 17 7.8 9.2 16.5 10.5 9.2 14 14.5
12 18 14 14.5 25 11.5 13.5 21 15 13.5 23 21
14 25 18.5 19.5 34 17 18.5 30 19.5 18.5 30 29
16 32 25 26 45 21 24 37 26 24 41 37
18 40 31 – 57 27 30 – 33 30 48 47
20 50 38 – 70 32 37 – 41 37 60 58
22 61 46 – 84 41 – – 49 53 72 –
24 73 55 – 101 48 53 – 60 72 88 84
28 99 75 – 138 66 72 – 78 94 117 113
32 129 97 – 180 90 94 – 104 – 154 148
36 163 124 – 233 110 – – 131 – 195 188
40 – 152 – 281 – – – – – 242 –
44 – – – 347 – – – – – – –
48 – 218* – 407 – – – – – – –

*8 strand Polysteel

  Cotton Jute

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

Density 1.54 – 0.94 1.38 – 1.14 1.38 0.95 0.91 0.94 1.35 0.95 0.91
Floats no no no no no no no yes yes yes no yes yes

Effects of Water & Moisture

  Cotton Jute

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

Floats no no no no no no no yes yes yes no yes yes
Water absorption 100% 100% 0% 100% 100% 2%-8% 0% 0% 0% 0% 100% 0% 0%
Strength: Wet vs Dry

plus

10-15%

–

no

change

plus

10-15%

–

minus

10-15%

no

change

no

change

no

change

no

change

minus

10-15%

no

change

no

change

Shrinks when wet yes yes no yes yes no no no no no yes no no

Degradation Resistance

Resistance Cotton Jute

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

UV **** **** ***** **** **** **** ***** *** *** ***** **** *** ****
Abrasion * * ***** * * **** ***** **** *** ***** * *** ****
Rot * * ***** * * ***** ***** ***** ***** ***** * ***** *****
Acids * * **** * * * *** **** ***** **** * **** ****
Alkalis * – **** **** – *** * **** ***** **** **** **** ****
Biodegradable Yes Yes No Yes Yes No No No No No Yes No No
Storage Dry Dry

Wet or

dry

Dry Dry

Wet or

dry

Wet or

dry

Wet or

dry

Wet or

dry

Wet or

dry

Dry

Wet or

dry

Wet or

dry

KEY: * Poor ** Low *** Moderate **** Good ***** High

Melting / Char Point

  Cotton

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

Melting / Char Point 177°C 85°C 177°C 150°C 215°C 260°C 140°C 170°C 85°C 165°C 170°C 170°C

Elongation

  Cotton Jute

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

Elongation at break * * * * * ***** * * *** * * *** ***
Stretch / Elasticity * * * * * ***** * *** *** * * * *

Handling

  Cotton Jute

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

Storage Dry Dry

Wet or

dry

Dry Dry

Wet or

dry

Wet or

dry

Wet or

dry

Wet or

dry

Wet or

dry

Dry

Wet or

dry

Wet or

dry

Knot retention / Stability ***** **** ** **** **** *** *** *** ** ** **** *** ****
Can be Spliced yes yes yes yes yes yes yes yes yes yes yes yes yes

Cost

  Cotton Jute

Leaded

Polysteel

Manila Hemp Nylon Polyester Polyethylene Polypropylene Polysteel Sisal Staple

Spun

Synthetic

Hemp

Cost Rating **** *** *** ** ***** **** ***** ** * ** ** ** ***