[Public-List] Hemp vs polyester

[Gordon Laco]

I believe Bulk Hemp is low grade non-marine, probably not hemp… and Classic Marine’s rope is Langman's, which is actually flax….


Gordon Laco
www.gordonlaco.com




> On Mar 12, 2020, at 12:18 PM, Stephen Gwyn <stephen.gwyn at gmail.com> wrote:
> 
> Hi,
> 
> This website:
> https://www.bulkhempwarehouse.com/10mm-hemp-rope-coil-2-5-inch-50-yards/
> gives a breaking strength of hemp of 1540 lbs. = 700 kg
> 
> and this one:
> https://shop.classic-boat-supplies.com.au/traditional-ropes/natural-hemp-rope-3/
> gives a breaking strength of 795 kg
> 
> Can you point me to a source for your numbers?
> 
> SG
> 
> On 2020-03-12 2:51 a.m., Gordon Laco wrote:
>> Good morning Stephen -
>> The figure you quote is for flax, not hemp… and added to the disparity is that braided rope is generally stronger by diameter than twisted.
>> Gordon Laco
>> www.gordonlaco.com <http://www.gordonlaco.com>
>>> On Mar 12, 2020, at 1:44 AM, Stephen Gwyn via Public-List <public-list at lists.alberg30.org <mailto:public-list at lists.alberg30.org>> wrote:
>>> 
>>> A quick bit of Googling suggests that 10mm hemp rope has a breaking
>>> strength of 760kg vs 2600 kg for 10mm Marlowbraid polyester.
>>> 
>>> SG
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>