Robinson Centrifuge Tubes are precision-engineered for accurate sediment and water (S&W) determination in petroleum products according to API and ASTM testing standards. These 100mL short cone tubes are crafted from durable, clear annealed glass for enhanced strength and resistance to thermal stress. Featuring sharp, white etched graduation lines, they allow for accurate readings and reliable sample measurement. The tubes are available with either a conventional cork-style neck (corks sold separately) or a screw-cap neck (caps included), providing options based on user preference and sealing requirements. For enhanced traceability and compliance, Robinson offers factory-verified tubes with certificates of accuracy and third-party certified tubes tested by independent laboratories. These tubes are essential tools for crude oil haulers, laboratories, and field technicians engaged in S&W content testing.
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