LABINVO 20ml Glass Test Tubes Thickness 1.0-1.2,20x150mm Round Bottom Pack of 20,IN-TTG20
- 3.Appearance: Round Bottom, Uniform wall thickness, with good thermal stability..
- 4.Standard Specification: ASTM Specification E 982..
- 5.Superiority: They are made of borosilicate glass which can reduce pH changes and pollution of soda lime glass precipitates, and suitable for pH-sensitive samples..