A High-Density Polyethylene (HDPE) marine boom includes an elongated generally cylindrical shell including an inner layer and an outer layer formed from HDPE with the same formulation, with the inner layer including at least 2% carbon black by mass and the outer layer not including carbon black. The outer layer includes a colorant with ultraviolet stabilizers and the inner layer does not include the colorant. The inner layer is thicker than the outer layer and has been coextruded to form a unitary body. First and second caps formed from the same material as the outer layer are fusion welded to the shell across the full thickness and around a full circumference of first ends and second ends of the shell and form a watertight seal. A floatation billet is in the shell.
IMPROVED HIGH-DENSITY POLYETHYLENE MARINE BOOM
27.02.2025
Patent
Elektronische Ressource
Englisch
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