ULAB Scientific Test Tube with Tube Rack, Z Shape Stainless Steel Tube Rack, 10pcs of 16ml Cylindrical Glass Test Tubes with Flange stoppers, UTR1002

• Tube rack: round holes, alphanumeric positions for easy identification. Stainless steel, resistant to corrosion and autoclavable at 121℃.
• Test tubes: made of Borosilicate glass, suitable for all usual laboratory applications.
• Can withstand temperature change up to and including boiling of samples, as well highly chemically resistant.
• Ideal for working with laboratory flasks and tubes.
• Meets ASTM E982 Specification, Type Ⅳ requirements (Standard specification for Laboratory Glass.

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 Test Tube with Tube Rack, Z Shape Stainless Steel Tube Rack, 10pcs of 16ml Cylindrical Glass Test Tubes with Flange Stoppers, UTR1002 Z shape tube rack in stainless steel, suitable for tubes of Dia.≤16mm, 25 holes (5×5). 10pcs of cylindrical test tubes, plain Vol.16ml, 16x150mm, 1.0mm thick, medium Borosilicate glass material. 10pcs of tube stoppers, flange type, Dia.16mm, PE material in orange The specially Type Z racks are rust proof and will hold up to repeated use. The wide base provides stability and prevents tipping. When not in use, the racks stack neatly inside one another to conserve benchtop space. Widely used in laboratory or kitchen. 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.