fiberglass sleeve 1.weave:twill.weigh:780g,width:1m,2m,2.08m 2.ISO9001:2008 3.USA standard 4.customize accept fiberglass sleeve1.Factory gate 2.Equipment picture 3..Properties1).Good chemical stability,resistance to high temperture, corrosion resistance2).No water absorption,no shrinkage,high tensile,strength3).Small air resistance,high efficiency for collecting.4. ...