Test Tubes 150 x 18mm rimless 1.2mm medium wall-(ELS-TES1232)

Samco Neutral Glass Test Tube 150 x 18mm Rimless - 1.2mm Medium Wall - SAMCO neutral glass test tubes will withstand moderate temperature change, they should not be taken from cold and placed directly into the hottest part of the flame without preheating. They have good chemical resistance and are suitable for use with samples which are susceptible to pH change. -