Berkshire Durx 770 Wipers Berkshire Case. 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. Product Category Description: 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 45percent polyester and 55percent 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. Specifications for Berkshire Durx 770 Wipers Berkshire DR7700909.20 : Dimensions cm (in.): 22.9 x 22.9 (9 x 9) Berkshire No.: DR7700909.20 Unit: Pack of 300 Biaxial Shake (IES test method): 15x103/cm Biaxial Shake Fibers (>=100 m): 6.6/cm Extractables Using Deionized Water: 0.41percent Extractables Using Isopropyl Alcohol: 0.73percent Ions Sodium: 72 ppm Ions Potassium: 8.4 ppm Ions Calcium: 9.1 ppm Ions Magnesium: 3.2 ppm Ions Absorbency: 212 mL/m 3.1 mL/g Ions Time to Half-sorption: 3 sec. Ions Basis Weight: 69.3 g/m (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Berkshire products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Consumables with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Berkshire Laboratory Consumables. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Berkshire Durx 770 Wipers Berkshire DR7700909.20/ 21913-351 we carry a full complement of Laboratory Consumables as well as other product offerings from Berkshire. We also carry a full line of Berkshire accessories to help meet your laboratory and scientific needs. For a complete selection of Berkshire Laboratory Consumables please visit our Berkshire page. For more brand name Laboratory Consumables please visit our Laboratory Consumables store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Berkshire Durx 770 Wipers Berkshire DR7700909.20 Case