Open Seals - Polypropylene Item Code: Type: Sold By Quantity Strapping Accessories for Plastic Strapping Open Seals Description Open Seals are used for light to medium duty polypropylene strapping. The most common plastic seal, open seals allow you to place the seal on after tensioning has occurred. For 1/2" light to medium duty polypropylene strapping either our item # 20230 (ES48 General Purpose Manual Crimper) or our item # 20250 (PS48L Heavy Duty Manual Crimper) must be used. For 5/8" light to medium duty polypropylene strapping our item # 20255 (PS58L Heavy Duty Manual Crimper) must be used.
