Recycled rope (lines) ?

Justin_NSA

Justin_NSA

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Jul 7, 2004
8,480
Hunter 30T Cheney, KS
I need a new jib halyard. What do you all think of these recycled from plastic lines at Mauripro? I'm no tree-hugger but I try to be responsible when it makes sense.

The Eco Cruiser is the shining result of our continuous development efforts combined with our sustainability goals. This rope is completely made from recycled plastics. An all-round braided rope from rPet yarns. It is a complete and balanced rope and can, therefore, be used for various applications. For example, halyards and sheets, but in the thinner diameters also extremely suitable as a trim line.

www.mauriprosailing.com

Premium Ropes - Cruising Line - Cruiser XTS - 12mm (1/2 in) rPolyester Core & Cover | MAURIPRO Sailing & Marine

Check out the deal on Premium Ropes - Cruising Line - Cruiser XTS - 12mm (1/2 in) rPolyester Core & Cover at MAURIPRO Sailing & Marine
www.mauriprosailing.com
 
D

dlochner

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Jan 11, 2014
12,704
Sabre 362 113 Fair Haven, NY
The company has been around for 10 years, so it is not some start up. I see no reason to not try it. I'll consider for a new mainsheet next spring.
 
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kloudie1

kloudie1

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Nov 6, 2006
10,048
Hunter 34 Mandeville Louisiana
looks like they didn't quite get the metric conversion correct... 12 mm is not a 1/2" line, just a bit bigger than 7/16
Strength looks good, though, and price looks OK. I'd be most concerned about UV attack.. it says UV resistant, but I don't know what that means .
 
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jssailem

jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
22,752
CAL 35 Cruiser #21 moored EVERETT WA
Not enough info to judge this material as a reliable boat product. I would be inclined to buy a length. Leave it exposed to the environment of the boat. Test it on occasion this winter as to it's strength and usefulness for a boat. Perhaps you could tie it to a sled and pull the kids around. Gain some exercise and see if the rope can be used in a working environment. Plenty of time to buy a roll and replace halyards in the spring after a winter of testing.

What Are The Advantages of rPET
Alongside being the most commonly used polymer in the packaging sector, there are several benefits of PET, such as:
  • It is easily available and inexpensive
  • It has a high strength-to-weight ratio
  • It has excellent resistance to organic material and water
  • It is virtually shatterproof and easily recyclable
  • It is transparent and comes in a variety of shapes and colors, offering a good choice for packaging
What Are The Disadvantages of PET
Along with several advantages, there are some disadvantages of PET as well. These includes:
  • It has lower heat resistance
  • It is susceptible to oxidization (For example, it is not used for storing beer or wine as the shelf life of these beverages is long such that some degradation in taste may occur.)
  • It is not biodegradable, which is good and bad depending on your perspective and the intended use
 
Ralph Johnstone

Ralph Johnstone

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Jan 4, 2006
7,152
Hunter 310 West Vancouver, B.C.
Does anyone really know what rPET is ?

Seems to be something more than just polyester when you dig through that immense trash bag of knowledge called the internet.
 
jssailem

jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
22,752
CAL 35 Cruiser #21 moored EVERETT WA
Well it is not your dog and cat...

Ground up, recycled pop bottles is the description on the tech sheet found on the internet.
 
thinwater

thinwater

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Mar 26, 2011
3,670
Corsair F-24 MK I Deale, MD
I've been using recycled PET from Marlow for ~ 4 years. No problems. The specs are somewhat lower.

Marlow Blue Ocean

My guess is that recycled fiber is in more things than you know. Is there any steel (to speak of) that does not include recycled content? Yes, there is a marketing advantage in saying "recycled," but there is also a down side, and if the recycled resin meets spec and is cheaper, you will find it in blends from tier 1 companies. I'm quite sure most recycled resin is not marketed as "recycled."

(I made and sold a LOT of recycled chemicals to big companies, and I don't think any were identified in the product as "recycled." We met virgin spec 100%.)
 
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J

JBP-PA

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Apr 29, 2022
576
Jeanneau Tonic 23 Erie, PA
Ralph Johnstone said:
Does anyone really know what rPET is ?

Seems to be something more than just polyester when you dig through that immense trash bag of knowledge called the internet.
Click to expand
The category "polyester" includes a number of different plastics, of which PET or polyethylene terephthalate is one. PET is affectionately known as Dacron by us. rPET is, of course, simply recycled PET, since the name rDacron never took off.
 
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thinwater

thinwater

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Mar 26, 2011
3,670
Corsair F-24 MK I Deale, MD
This is also why the sunburned, brittle bottles you find on beaches go in the trash, not the recycle bin; the polymer is UV-damamged and will not make a good recycled product. The same reason old ropes cannot be recycled; the UV damamge is in the make-up of the polymer and cannot be repaired (as well as the problem of sorting nylon from polyester from ....).
 
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D

dlochner

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Jan 11, 2014
12,704
Sabre 362 113 Fair Haven, NY
kloudie1 said:
looks like they didn't quite get the metric conversion correct... 12 mm is not a 1/2" line, just a bit bigger than 7/16
Strength looks good, though, and price looks OK. I'd be most concerned about UV attack.. it says UV resistant, but I don't know what that means .
Click to expand
It is a British company, they measure things differently there and drive on the wrong side of the road. :biggrin:
 
higgs

higgs

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Aug 24, 2005
3,704
Nassau 34 Olcott, NY
For a halyard, I would stick to the tried and true, especially if it is internal. Should an internal halyard fail mid season replacing it would be a problem. I don't know how you could do it without dropping the mast, but perhaps someone has figured that out.
 
Justin_NSA

Justin_NSA

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Jul 7, 2004
8,480
Hunter 30T Cheney, KS
I'm going to try the line for my jib halyard. But it will be years before I could give review on it. Most of it will be internal. Not much UV risk.
 
D

dlochner

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Jan 11, 2014
12,704
Sabre 362 113 Fair Haven, NY
How much stretch does this line have? Less stretch is better for halyards. ⅜" or 10 mm would be big enough for the halyard, ½" may have too much friction on the sheaves.
 
Justin_NSA

Justin_NSA

.
Jul 7, 2004
8,480
Hunter 30T Cheney, KS
dlochner said:
How much stretch does this line have? Less stretch is better for halyards. ⅜" or 10 mm would be big enough for the halyard, ½" may have too much friction on the sheaves.
Click to expand
They spelled "Strech " wrong :biggrin: but it says low. Shows it's for halyards. I agree with 3/8".

And they have colors:
lines.jpg
 
Kingjim91

Kingjim91

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Jul 6, 2013
223
Catalina 30TR, Atomic 4 2480 Milwaukee
kloudie1 said:
looks like they didn't quite get the metric conversion correct... 12 mm is not a 1/2" line, just a bit bigger than 7/16
Strength looks good, though, and price looks OK. I'd be most concerned about UV attack.. it says UV resistant, but I don't know what that means .
Click to expand
Since it’s manufactured in the UK, 12 mm would be the exact size. The approximate conversion is based on the closest inch size that is actually available. The error is only about 1/32.
 
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