Specialty Materials' 5521 is a highly advanced prepreg tape, combining Specialty Materials' 4.0 or 5.6 mil boron filament with a tough, rigid, 250°F curing epoxy resin. Performing at temperatures up to 350°F, 5521 tape is an economical solution for composite structure fabrication. It is a 2-step tape in various widths produced from initial ¼-inch width tape stock.Information provided by Specialty Materials, Inc. |