Spectrum Grade B Glass Microfiber Filter, 4.7 cm diameter

Spectrum Glass microfiber filters offered in this product range are produced from 100% borosilicate glass microfiber without the use of binders or strengthening agents. These filters offer many advantages in a wide range of analytical applications

GRADE B glass microfiber filters feature a fine porosity, medium to fast flow rate, with a 1.0 µM size particle retention. They are ideally suited for the collection of biochemical polymers that have been precipitated by denaturation. This material is twice as thick as Grade A with a higher loading capacity. It may also be used as a solid particulate filter for gasses or as a prefilter.

Specifications:
• Particle Retention: 1.00 µM
• Thickness: 0.65 mm
• Filtration Speed: 30 seconds
• Basis Weight (g/m2): 140
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