ULAB Scientific Cylindrical Glass Test Tube, vol.20ml, 20x150mm, Medium 3.3 Borosilicate Glass Material, Pack of 20, UTT1006

• Heat resistant autoclavable Borosilicate glass test tubes.
• Well annealed, resistant to heat, and chemically stable.
• Used for mixing heating and holding small quantities of chemicals for assays, as well as tissue culture, blood banks, and other laboratory experiments.
• Great for classroom, laboratory and even home storage.
• Meet ASTM E982 specification, Type II requirements.

Please understand that as the glassware are fragile, the damage will occur during the transit. You can do the following options once got broken product. 1.Contact us for refund. ( If the remaining items are enough to use) 2.Contact Amazon for replacement. ( If replacement is required ) ULAB Scientific Cylindrical Glass Test Tube, plain, vol.20ml, 20x150mm, medium 3.3 Borosilicate glass material, pack of 20, UTT1006. Including 20pcs of glass test tubes 20ml, 20*150mm, 1.0~1.2mm thick, round bottom. ULAB glass tubes are made of Borosilicate glass that withstands thermal shock and chemical attack, reduces pH changes and contaminants leached from soda lime glass tubes. The tubes are uniform bottoms, fire-polished rims, consistent lengths, and convenient packaged in shrink-wrapped inner box. They can be used for mixing heating and/or holding small quantities of chemicals for assays, as well as tissue culture, blood banks, and other laboratory experiments. This multi-functional Borosilicate glass test tube features a rolled lip and can be used in the laboratory, the classroom, for crafting, storage or even in the kitchen to hold spices. With your imagination, its uses are limitless. After-Sales Service ULAB Scientific guarantees that no sale is complete unless the customer is satisfied. If you have any questions or suggestions on our products or service, please do feel free to contact us. You'll get our reply within 24 hours. Thanks for your patience.