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Marlow Cordage is a top manufacturer of professional ropes based in the UK, and their arborist ropes are making a splash in the US. Aeris is a nylon-core kernmantle rope which feels more like a 24-strand and makes an excellent rope for DdRT. Aeris has a nice hand, excellent visibility, and great strength/weight ratio. The Nylon cover and core construction provide a very high tensile strength and increased energy absorption.
Aeris is treated with Marlow DriCoat which provides a water resistant coating which substantially reduces water uptake and hence weight in wet conditions - perfect for the NorthWest!
Aeris is available with sewn terminations.
Quick Overview: 7/16” diameter, 7,800 ABS, 5.5 lb per 100’.
|Diameter||:||7/16” / 10.7 mm|
|Average Strength||:||7,800 lb / 3,545 kg|
|Wt. per 100’/100m||:||5.5 lb / 7.6 kg|
|Elastic Elongation||:||3.1% at 150 kg|
The American National Standards Institute (ANSI) has released the ANSI Z133 safety requirements which apply to arboriculutral operations.
Arborist climbing lines are required to have a minimum breaking strength of 5,400 lb (24 kN) when new, and should be no smaller than 1/2” (12.7mm) unless the employee has been trained in the use of smaller line (down to 7/16” / 11mm), and the line's working elongation should not exceed 7% at 540 lb load.
This rope meets ANSI Z133-2012 standards, so long as the user has been trained in the use of smaller diameter lines.
The full ANSI Z133 safety requirements are available on our tree care standards page.