TEST TUBES [BOILING TUBES]: Variety
A variety of heat resistant borosilicate Boiling & Test Tubes. Available with or without rimmed edge. (Technicians will often request rimless types. These have proven less inclined to break when bundled and dishwasher cleaned). The inner & outer diameter size is listed for easy rubber stopper ordering. Sold singly or in listed pack size. Testtubes 7mm to 16mm (i.d/o.d). Boiling tubes 22mm to 25mm (i.d/o.d).
* Bomex lab-glass types undergo an additional hardening process.
** Schott test types are recommended if solids are subjected to extreme heat..
*** For ‘U’ Shaped types (with or without sidearm) known as ABSORPTION TUBE, click here
**** Click here for Test/Boiling Tube HOLDERS, RACKS, or BRUSHES.