Which type of sling material should not be used in environments with acids or phenolics?

Nylon web slings are susceptible to damage when exposed to acids and phenolic compounds, making them unsuitable for environments where these substances are present. Nylon is known for its strength and flexibility, but its chemical resistance is limited. Acids can hydrolyze nylon, compromising its integrity and reducing its load-bearing capacity, while exposure to phenolics can lead to similar deterioration. Therefore, using nylon web slings in such environments can pose significant safety risks, including the potential for sling failure during lifting operations.

In contrast, other materials such as chain slings, which are made of steel, offer excellent resistance to chemical corrosion and can withstand exposure to acids and phenolics without any deterioration. Natural fiber slings, while not suitable for heavy-duty applications, also do not typically face the same chemical attack as nylon. Polyester slings present another alternative, as they tend to have better resistance to acids compared to nylon. Understanding the material properties and their interaction with chemicals is crucial in selecting the right sling for specific environmental conditions.