Webbing lifting sling is mainly made of high tenacity 100% polyester, this kind material has low elongation , keeping the load stable and safety when lifting.
Widely used where acid conditions are present or a minimum stretch is desired, it is unaffected by common acids,unsuitable for using with concentrated sulfluric acids,alkaline or at temperatures excess 100℃ or less-40℃, its stretch at rated capacity is approximately 3%(untreated).
Synthetic web slings are manufactured from:
Safety factor 5:1, 6:1, 7:1, 8:1.
Manufacture Standard: EN1492-1, ASME B30.9, AS1353, JB/T 8521
Length: As required
Color: Color code
Ply: Single, Duplex, Three and Four layer
Type 1 : Eye-eye webbing sling (EE)
The most popular, more versatile sling, much more kinds of sling are available, with reinforced eye loop at the both ends.
Type 2 : Endless webbing sling (EN)
Economical & adaptable sling with no fixed wear points,can reduce the continuously working pressure on the one fixed point.
Difference width for difference safety factor for duplex webbing sling or angle endless sling.
S.F WLL(T) | 5:1 | 6:1 | 7:1 | 8:1 | ||||
Width | M.B.S | Width | M.B.S | Width | M.B.S | Width | M.B.S | |
1T | 25mm | 5T | 25/38mm | 6T | 30/50mm | 7T | 50mm | 8T |
2T | 50mm | 10T | 50mm | 12T | 60mm | 14T | 65mm | 16T |
3T | 75mm | 15T | 75mm | 18T | 90mm | 21T | 95mm | 24T |
4T | 100mm | 20T | 100mm | 24T | 120mm | 28T | 120mm | 32T |
5T | 125mm | 25T | 125mm | 30T | 150mm | 35T | 150mm | 40T |
6T | 150mm | 30T | 150mm | 36T | 180mm | 42T | 180mm | 48T |
8T | 200mm | 40T | 200mm | 48T | 240mm | 56T | 240mm | 64T |
10T | 250mm | 50T | 250mm | 60T | 300mm | 70T | 300mm | 80T |
SPECIAL | JB/T 8521-1 | EN-1492:1 | AS/NZS |