Посуда лабораторная стеклянная. Трубки из боросиликатного стекла
Название (англ.):
Laboratory glassware; Borosilicate glass tubing
Описание (англ.):
The requirements specify material including its hydrolytic resistance and thermal coefficient of expansion. The range of sizes and tolerance and external diameters and well thickness are tabled and described. In a second table the limits on bow for different external diameters are specified.