Hubbard & Hubbard-Carmick Specific Gravity Bottles are used to determine specific gravity of semi-solid bituminous materials, asphalt cements and soft tar pitches. Included stopper is concave on lower surface and has 1.6mm center hole for air evacuation. Hubbard-type bottle Model SG-62 is 1.06×2.75in (27x70mm), Dia.Xh with 24ml capacity. Conical Model SG-63 Hubbard-Carmick style bottle is […]
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