Berkshire Durx 670 Wipers Berkshire Pack. Combining top-notch and uncompromising quality with an affordable price the Berkshire Durx 670 Wipers Berkshire DR6700909.20/ 21913-431 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: With high absorbency and low extractable levels these nonwoven wipers from Berkshire are an excellent choice for a variety of cleaning applications. These wipers are made from a proprietary polyester blend that exceeds the cleanliness necessary for use with critical environments such as labs cleanrooms and semiconductor manufacturing. This superior blend gives Berkshire nonwoven wipers their strength and versatility. Plus these wipers are made without binders or surfactants resulting in a pure wiper that performs well in a variety of applications. Keep a box of Berkshire Durx 670 Wipers in your lab or supply closet for use in emergency situations. Specifications for Berkshire Durx 670 Wipers Berkshire DR6700909.20 : Dimensions cm (in.): 22.9 x 22.9 (9 x 9) Berkshire No.: DR6700909.20 Unit: Pack of 300 Particle Generation (>=0.5 m) Biaxial Shake: 20 x 10 /cm Particle Generation (>=0.5 m) Fibers (>=100 m): 100/cm Extractables Using Deionized Water: 0.089percent Extractables Using Isopropyl Alcohol: 0.043percent Ions Sodium: 12 ppm Ions Potassium: 2 ppm Ions Calcium: 7.6 ppm Ions Magnesium: 4.3 ppm Ions Absorbency: 298 mL/m 4.3 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 670 Wipers Berkshire DR6700909.20/ 21913-431 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 670 Wipers Berkshire DR6700909.20 Pack