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Berkshire Durx 770 Wipers, Berkshire is a reliable and dependable addition to the Berkshire Laboratory Consumables family of products. Combining top-notch and uncompromising quality with an affordable price, the Berkshire Durx 770 Wipers, Berkshire DR7700909.20/ 21913-351 can fulfill your laboratory needs while still offering a great value for the money.
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Ideal for absorbing spills of solvents and deionized water in ISO Class 5 (FED-STD-209E Class 100/M3.5) environments. Also suitable for general surface and equipment cleaning. Nonwoven wipers are made from a blend of 45% polyester and 55% cellulose with superior strength and absorbency - wipers are able to absorb four times their own weight. Manufactured without binders or surfactants. Proprietary treatment enhances cleanliness by reducing particle generation. Low levels of ions and organic extractables.
| Dimensions, cm (in.):Â | 22.9 x 22.9 (9 x 9) | |
| Berkshire No.:Â | DR7700909.20 | |
| Unit:Â | Pack of 300 | |
| Biaxial Shake (IES test method): | 15x103/cm² | |
| Biaxial Shake Fibers (>=100 µm): | 6.6/cm² | |
| Extractables, Using Deionized Water:Â | 0.41% | |
| Extractables, Using Isopropyl Alcohol:Â | 0.73% | |
| Ions, Sodium:Â | 72 ppm | |
| Ions, Potassium:Â | 8.4 ppm | |
| Ions, Calcium:Â | 9.1 ppm | |
| Ions, Magnesium:Â | 3.2 ppm | |
| Ions, Absorbency: | 212 mL/m², 3.1 mL/g | |
| Ions, Time to Half-sorption:Â | 3 sec. | |
| Ions, Basis Weight: | 69.3 g/m² | |