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Topic Date User

Marking middle of rope- what to use 4-Nov-2014 At 12:12:46 AM patto

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http://www.sterlingrope.com/media/document/techmanual.pdf

23. Should I mark my rope with a permanent marker?
The UIAA recently conducted a limited amount of testing using the standard UIAA 101 drop testing procedures with ropes marked with a several different permanent markers. The results of those tests are summarized as follows:

Notification concerning Rope Marking issued: April 2002
Tests done by the UIAA Safety Commission and by some rope manufacturers have shown that rope marking with liquids such as those provided by felt-tipped pens can be dangerous, even with those markers, sold specifically for marking ropes. The test results showed a decrease up to approximately 50% of the rope strength, more correctly: of the energy absorption capacity of the rope (expressed by the number of falls in the standard test method in accordance with the European Standard EN 892) Therefore the UIAA Safety Commission warns against marking a rope with any substance that has not been specifically approved by the rope manufacturer of that rope.