These precision capillary melting point tubes are essential tools for accurate melting point determination in laboratory settings. With a consistent diameter of 0.9-1.1mm, these one-end-open tubes provide reliable results for your analytical needs. The package includes 500 pieces, giving you ample supply for multiple testing sessions. These tubes are designed for easy sample loading through the open end while maintaining the closed end's integrity for proper testing. Perfect for chemistry labs, pharmaceutical testing, and quality control applications, these capillary tubes allow for precise observation of phase transitions and melting points of various compounds. The transparent glass construction enables clear visibility of sample changes during the heating process. Their standardized dimensions ensure compatibility with most melting point apparatus and consistent results across experiments.