Sealed Edge Polyester Wipers BB-4000, BB-3020

BB-4000 and BB-3020 are a ultra clean wiper with sealed &fused border designed for class 10 cleanroom applications. Minimizing particle or lint generation caused by edge damage in actual use, BB-3020 has fused border on 2 edges and the others are thermally sealed. BB-4000 provides a 4-side fused border for better protection on wiper edge. This kind of wipers are recommended for rigorous wiping applications, but cleanliness should be maintained.