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❤️❤️❤️❤️Specific Gravity Bottle Pycnometer Glass Density Bottle Lab Glassware 100ml Lab Glass Empty Reagent Bottles with Stopper for Lab Equipment; Simple design, wonderful workmanship, with stopper, leak-proof, convenient and practical to use for laboratory.
❤️❤️❤️❤️The glass bottle could be used to measure specific gravity, density, accurate to use for experiment.
❤️❤️❤️❤️Reagent bottle is simple and delicate, excellent and reliable, carefully crafted, not easy to deform.
❤️❤️❤️❤️This glass pycnometer is very easy and simple to operate, giving you huge convenience for testing reagent density.
❤️❤️❤️❤️Made with glass material, safe and excellent, glass bottle could be used for very long time.