GE Whatman* Standard Glass Microfiber Extraction Thimbles

603G thimbles are made from borosilicate glass fibers with an inorganic binder. For all automated extraction apparatuses in common use, Whatman offers thimbles whose dimensions are matched exactly to those of the thimble holders to ensure optimal fit. There is also a selection of borosilicate glass thimbles without binder (889-78723).
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