acid &alkali  resistance sling are used primarily where acidic conditions are present as polyester is not harmed by common acids and hot bleaching agents.  However, these round slings are not suitable to use around concentrated sulfuric acids or alkaline. A wide body is flat,so it is favorite tools for lifting  paint  products  , plastic  products , machine  tools  and  the  pipe  which surface  has  been  treated   anti- corrosion  and moistured.polyester round sling is  the  ideal  spreader in electroplating  industry.safe  load is 0.5  tons  to  20 tons,and we have different classification.

Product standards: JB/T 8521-1997