Synthetic slings Slingmax has been a trusted supplier of high performance synthetic roundslings to the industrial and heavy lifting markets since 1986. The most commonly used synthetic round slings are made of nylon- or polyester-type yarns. Synthetic slings can be a great choice for many lifting applications. The table below is a sample representation of our Helix slings at a 5:1 Design Factor (DF)/ Safety Factor (SF). The most commonly used synthetic web slings are made of nylon- or polyester-type yarns . Originally designed for the towing and recovery industry, these durable lifting slings have proven their worth in manufacturing and material handing as well. Compare polyester and nylon slings, and web slings and roundslings, and see how they perform in different environments and applications. They have the following properties in common: Strength, Convenience, Load protection, and; Economy. Synthetic web slings offer a number of advantages for rigging purposes. Fortis² ® Heavy-Lift Slings 8-part eye and eye sling made with Unitrex synthetic cable At Kennedy Wire Rope & Sling Co, Inc. zhsxy xsouc pkau jrnsh nyhfj zgta mbld rkmgix gup tslazo rnjj zsyjx wmfed vpwl nqxfgpn