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Minimum Break Load (MBL) in pounds or tonnes and is determined using spliced test samples in accordance with Cordage Institute 1500-02 - Test Method for Fiber Ropes.
The recommended Design Factor(DF) of 5:1 on this chart is based on several existing lifting sling standard inculding ASME B30.9. This design factor takes into account various factors including the us of HMPE ( High Modulus Polyethylene) fiber which is extremely durable and resistant to repeated high loads. Plasma rope slings have and can be used with different DF ratios: however, this is a decision which must be made by qualified person or designer of the lift in conjunction with the rope manufaturer. Cortland, at this time, does not recommend the use of plasma rope slings in a choker hitch at a lifting angle of less than 12 0°. Testing on rated values is not complete and available at this time.
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Mobile Load Testing Services and Inspections
We offer inspections and mobile proof test services for product verification, break testing, and load testing to ensure compliance for all plasma synthetic ropes we sell and repair. Our mobile proof test services are available throughout the United States. In addition to our mobile load testing services we have stationary test beds to service Oklahoma, Texas, Kansas, Wyoming, North Dakota, New Mexico and all surrounding areas.
