R 408.14964 Use; safe operating temperatures.

Rule 4964. (1) When a synthetic web sling is used, the following precautions shall be taken: (a) A nylon web sling shall not be used where fumes, vapors, sprays, mists, or liquids of acids or phenolics are present. (b) A polyester and polypropylene web sling shall not be used where fumes, vapors, sprays, mists, or liquids of caustics are present. (c) A web sling with aluminum fittings shall not be used where fumes, vapors, sprays, mists, or liquids of caustics are present. (2) A synthetic web sling of polyester and nylon shall not be used at a temperature in excess of 180 degrees Fahrenheit. (3) A polypropylene web sling shall not be used at a temperature in excess of 200 degrees Fahrenheit. (See figure 6 “Basic Synthetic Web Sling Constructions.”) FIGURE 6 BASIC SYNTHETIC WEB SLING CONSTRUCTIONS