Test tube and rack. Test tubes are usually made from borosilicate glass, a combination of silica and boron oxide. This is resistant to thermal shock s

---

Test tube and rack. Test tubes are usually made from borosilicate glass, a combination of silica and boron oxide. This is resistant to thermal shock such as experienced during heating with a Bunsen burner.

---

Size: 3430px × 5125px
Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -life, 1, background, boron, borosilicate, borosylicate, chemical, chemistry, colourless, equipment, glass, glassware, lab, laboratory, life, monochrome, oxide, physics, pyrex, rack, shot, silica, single, studio, technology, test, transparent, tube, tubes, white