50pcs of Borosilicate Glass Test Tubes and Stainless Steel Test Tube Rack, 20 Holes, Suitable for Tubes of Dia.≤21mm

【Material】:Labvida stainless steel test tube rack with round holes, has good chemical resistance, high quality and durable.The glass test tubes are made of borosilicate glass material, which has great chemical resistance, autoclavable.【size】:Contains 1pc of 20 holes stainless steel test tube rack, suitable for tubes of Dia.≤21mm and 50pcs of Vol.20ml test tubes,20x150mm, round bottom with fire-polished rims.【Application】:This multi-functional Borosilicate glass test tubes can be used in the laboratory, the classroom, for crafting, storage or even in the kitchen to hold spices. Great for classroom, laboratory and even home storage.【After-Sales Service】: Labvida always persists in Quality First, Customer First. We are 100% dedicated to your complete satisfaction. Any questions or suggestions on our products or service, please do feel free to let us know. Appreciate your support and patience.

• Dimension: 20 Holes stainless steel tsest tube rack, place layout 2x10. and 50pcs Test Tubes,Vol.20ml (Dia.20x150mm)
• Test Tube: Made of heat resistant borosilicate glass, well annealed and chemically stable.Round bottom, fire-polished rims and consistent lengths, packaged with pearl wool embedded.
• Stainless Steel Test Tube Rack: Round holes, with extended edges, providing handles. Made of Stainless Steel material, resistant to corrosion and autoclavable at 121℃.
• Chemical resistance: High and low temperature resistant, anti acid and alkali.
• Application: The test tubes used for mixing heating and holding small quantities of chemicals for assays, as well as tissue culture, and other laboratory experiments.