Ideal for absorbing spills of solvents and deionized water in the cleanroom. Also for general surface and equipment cleaning. Nonwoven wipers are made from a polyester/cellulose blend of superior strength and absorbency, with low levels of ions and organic extractables. Made without binders or surfactants, resulting in a pure wiper. Suitable for ISO Class 5 (FED-STD-209E Class 100/M3.5) environments. 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 µm), Biaxial Shake: | | 20 x 10³/cm² | | | Particle Generation (>=0.5 µm), Fibers (>=100 µm): | | 100/cm² | | | Extractables, Using Deionized Water: | | 0.089% | | | Extractables, Using Isopropyl Alcohol: | | 0.043% | | | Ions, Sodium: | | 12 ppm | | | Ions, Potassium: | | 2 ppm | | | Ions, Calcium: | | 7.6 ppm | | | Ions, Magnesium: | | 4.3 ppm | | | Ions, Absorbency: | | 298 mL/m², 4.3 mL/g | | | Ions, Time to Half-sorption: | | 3 sec. | | | Ions, Basis Weight: | | 69.3 g/m² | |
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