Features: 1. PVC fence boom is a kind of light weight permanent containment boom, made of high strength orange PVC fabric with closed cell polyethylene foam to control oil spill in calm water area. 2. There is a top steel cable and bottom ballast chain to keep the strength of the fence boom. There are elastic stiffeners between solid floats to keep the oil fence straight and stiff and ensure an effective draft. 3. It is equipped with ASTM Z quick connector and easy to handle, store and deploy from handle bag, reel or rack because its light weight, compact volume. Model/ParameterSWL450SWL750SWL900SWL1100 Overall height(mm)4507509001100 Freeboard(mm)150250300400 Draft(mm)300500600700 Standard length per section(m)10,20 Tensile StrengthKN20304045 BallastBlock or chain WeightKG/m3.14.25.25.8 Standard connectorASTM Z quick connector PackingHangle bag, reel or rack