SAMCO soda glass test tubes are suitable for general mixing and simple laboratory work, and will withstand moderate warming (eg in a water bath). They should not be placed directly into naked flames.
- Tolerances are as specified in ISO 4142:2002
- Coefficient of expansion (20-300°C): 91 x 10-7
- Softening point: 720°C
- Annealing point: 530°C
- Density: 2.5
- Working point: 1040°C
This product has met the following criteria to qualify for the following awards: