Marienfeld Superior™ Glass Capillary Tubes for the Determination of Melting Point Diameter: 1.2mm; Both Ends Open Marienfeld Superior™ Glass Capillary Tubes for the Determination of Melting Point | Fisher Scientific
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Small Diameter Quartz Glass Capillary Tube with 1mm Outside Diameter Can Be Customized|Power Tool Accessories| - AliExpress
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