Test Tube With Rim

Product Description

• Test tubes are longer than they are wide.
• They can be between 50 mm to 250 mm in length and 13 and 20 mm in width.
• Test tubes are transparent, which allows users to see what's happening inside.
• The narrow top opening of a test tube makes it easy to pour and mix liquids.

• Test tubes are used for chemical reactions, heating solutions, and growing organisms.
• In medical labs, test tubes are used to collect and preserve body fluids like blood and urine.
• Test tubes are also known as culture tubes or sample tubes.

• Test tubes are usually made of glass or plastic.
• Glass test tubes are often made from borosilicate glass, which is heat resistant.