Vibra Pad can be used to assist with agitation of specific gravity specimens during deairing operations. It is specified by the Kentucky Transportation Cabinet for fine aggregate specific gravity testing. The plastic coated 5-1/4in (133mm) square platform has two wing nut fasteners and corner pillars with springs for holding flasks and pycnometers up to 6in (152mm) diameter in place. Est. Ship Wt.: 10lb (5kg).
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