Hubbard & Hubbard-Carmick Specific Gravity Bottles are used for bituminous materials, asphalt cements and soft tar pitches. Included stopper has 1.6mm center hole. Hubbard-type bottle is 1.06x2.75in (27x70mm), Dia.xH with 24ml capacity. Hubbard-Carmick style is 1.54x1.7in (39x43mm), Dia.xH with 25ml capacity.
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