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The HM-15 Basic Vacuum Extractor uses a heavy-wall Filter Flask rather than a solvent collection tank for asphalt binder content determinations by extraction. The Extractor has a 12.25x4.5in (311x114mm) aluminum funnel ring, perforated stainless steel filter support and an O-ring seal supported by three legs. The Hose and Stopper Assembly has a 6ft (1.8m) rubber vacuum hose to fit to the 3/8in (9.5mm) OD drain connection and a No.12 neoprene stopper with glass tubing to fit the Filter Flask.
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