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Code: B6-9QB-US30001212-6-PK
MPN: US30001212.6-PK

Code: B6-9QB-US30001212-6-CS
MPN: US30001212.6-CS
Berkshire Wipers ULTRA-SEAL 12X12 PK100 US30001212.6 is one of the many quality laboratory and scientific products we have to offer at very competitive pricing. Berkshire Wipers ULTRA-SEAL 12X12 PK100 US30001212.6 / 21914-002 is part of a wide selection of Berkshire Cleaning cloths or wipes. Combining excellent quality with an affordable price, the Berkshire Wipers ULTRA-SEAL 12X12 PK100 US30001212.6 / 21914-002 can meet your scientific research needs while still offering a good value for a budget conscious end user. If you have any questions about any of our Cleaning cloths or wipes please do not hesitate to contact our customer service for further guidance.![]()
These continuous-filament 100% knitted polyester wipers are designed for critical cleanroom applications. Tubular construction yields only two open edges, which are heat-sealed to prevent contamination. No adhesives, which could extract and contaminate, are used in the heat-sealing process. Abrasion- and chemical-resistant. Double-ply thickness. Recommended for use in ISO Class 3 (FED-STD-209E Class 1/M1.5) environments. Wipers are laundered and packaged in an ISO Class 4 (FED-STD-209E Class 10/M2.5) cleanroom and double-wrapped to ensure cleanliness. Wipers are stacked.
| 9 x 9" | 12 x 12" | |
| Particle Generation (>=0.5 µm), | ||
| Biaxial Shake | ||
| (IES test method): | 1200/cm² | 1100/cm² |
| Fibers (>=100 µm): | 0.027/cm² | 0.011/cm² |
| Extractables, | ||
| Using Deionized Water: | 0.022% | 0.018% |
| Using Isopropyl Alcohol: | 0.074% | 0.067% |
| Ions, | ||
| Sodium: | 0.049 ppm | 0.026 ppm |
| Potassium: | 0.036 ppm | 0.031 ppm |
| Calcium: | 0.0087 ppm | 0.0071 ppm |
| Magnesium: | 0.0032 ppm | 0.0031 ppm |
| Absorbency: | 445 mL/m² | 517 mL/m² |
| Specific Absorbency: | 3.3 mL/g | 2.9 mL/g |
| Time to Half-sorption: | 1 sec. | 1 sec. |
| Basis Weight: | 134 g/m² | 177 g/m² |
| Dimensions, cm (in.): | 30.5 x 30.5 (12 x 12) |
| Berkshire No.: | US30001212.6 |
| Unit: | Case of 6 / Pack of 100 |