Webbing slings mat
Webbing slings materials
Webbing slings made of synthetic polymers have become increasingly popular as they, to a large extent, have replaced braided wires, chains, and miscellaneous cables being used for lifting because they are more economical do not scratch polished surfaces of materials being hoisted, do not contain jagged edges which may cut workers hands and they are normally resistant to water and so do not rust like steel slings. )
The most commonly used synthetic web slings are made of nylon, polyester and polypropylene because they have number of advantages over slings of other material including high tensile strength, flexibility, elasticity, long service life, shock absorbency, heat and light resistance and low cost. (4)
Each synthetic material has its own unique properties as each one perform better than others in specific applications and environment so the rated loads for each webbing differ according to its type (single - leg vertical, chocker, basket hitches and two-leg bridle slings) and also are based on material strength, design factor, type of hitch, angle of loading, diameter of curvature over, which the sling is used and fabrication efficiency. )
synthetic webbing slings may be coated with suitable materials that will impart desirable characteristics such as abrasion resistance , sealing to prevent penetration of foreign particles, increase friction coefficient and increase its resistance to ultra-violet .)
