Berkshire Polx 1200 Wipers Berkshire Stacked Case. Combining top-notch and uncompromising quality with an affordable price the Berkshire Polx 1200 Wipers Berkshire Stacked P1200.0909.8/ 21914-332 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Well-suited to optical applications and use on other sensitive surfaces these all-purpose wipers are an economical midpoint between nonwoven materials and laundered synthetic wipers. Wipers are made of durable yet nonabrasive 100percent double-knit polyester. They are low in particle generation and extractables making them useful in applications that would abrade or shred a nonwoven material. Recommended for ISO Class 5 (FED-STD-209E Class 100/3.5) environments. Specifications for Berkshire Polx 1200 Wipers Berkshire P1200.0909.8 Stacked : Dimensions cm (in.): 22.9 x 22.9 (9 x 9) Berkshire No.: P1200.0909.8 Unit: Pack of 150 Particle Generation (>=0.5 m) Biaxial Shake: 13 x 103/cm2 Particle Generation (>=0.5 m) Fibers (>=100 m): 10/cm2 Extractables Using Deionized Water: 0.025percent Extractables Using Isopropyl Alcohol: 0.090percent Ions Sodium: 4 ppm Ions Potassium: 0.57 ppm Ions Calcium: 2.7 ppm Ions Magnesium: 0.91 ppm Ions Absorbency: 363 mL/m2 3.6 mL/g Ions Time to Half-sorption: 1 sec. Ions Basis Weight: 101 g/m2 (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 Polx 1200 Wipers Berkshire Stacked P1200.0909.8/ 21914-332 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 Polx 1200 Wipers Berkshire P1200.0909.8 Stacked Case