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KM III Static Kernmantle rope is a balanced construction consisting of continuous filament polyester cover braided over a uni-directional nylon core. KM III is designed to meet the rigorous requirements associated with rescue and rappelling operations.
Compliance to the above specifications is based upon testing according
to the Cordage Institute Standard Testing Methods for Fiber Rope and/or ASTM
D-4268 Standard Methods of Testing Fiber Ropes.
Very little degradation from UV. Can be used outside over long term if inspected regularly. All synthetic fibers are prone to some degradation due to prolonged exposure to UV radiation. When ropes are not in use, store them in a cool dry location away from direct exposure to sunlight.
Good resistance to most minerals / organics, acids, weak alkalis, bleaches and other oxidizing agents and most solvents. Polyester is generally considered to have a better overall resistance to acids or oxidizing agents. Nylon is preferred when exposed to alkalis.
Melting point of 480 F, progressive strength loss above 300 F.
Good resistance to the passage of electrical current. However in rope form, dirt, surface contaminants, water entrapment and the like can significantly affect dielectric properties. Extreme caution should be exercise any time a rope is in the proximity of live circuits.
Recommended D/d ratio is 8:1
No blanket working load recommendation can be made because it depends on the application and conditions of use, especially potential danger to personnel. It is recommended that the user establish working loads and safety factors based on professional and experienced assessments of risks. The working load is a guideline for the use of a rope in good condition for non-critical applications and should be reduced where life, limb, or valuable property is involved, or exceptional service such as shock, sustained loading, severe vibration, etc. The Cordage Institute specifies that the Safe Working Load of a rope shall be determined by dividing the Minimum Tensile Strength by the Safety Factor. Safety factors range from 5 to 12 for non-critical uses, 15 for life lines. SLK= Minimum Break Strength / Safety Factor
White (blue tracer), Red (white tracer), Blue (white tracer), Solid Black, & Orange (blue tracer)
New England Ropes takes great care in manufacturing ropes that are of the highest quality. A few common-sense rules will assist you in getting the best performance from our products in a safe manner. Proper care and preventive maintenance are essential factors in the safe use of rope in all applications. A thorough understanding of the different rope designs and their limitations will assist you in selecting the proper rope for the job.