Glass Test Tubes with a nominal size of 16 x 150mm. Fire polished rim and uniform wall thickness. Conformity to ISO 4142. Packaged in breakage resistant special designed box. Each pack includes 12 test tubes. Sold as 3 packs for a total of 36 test tubes.
Uniform wall thickness.
Conformity to ISO 4142.
Made of borosilicate 3.3 glass.
High thermal shock resistance & chemical attack resistance.