Vials with 2 ml wide opening are constructed from type 33 and type 51 COE borosilicate glass, with low metal content, to protect your sample from destabilizing or leaching.

• Uniformly flat bottom ensures compatibility with inserts
• Precision-formed neck for optimal robotic arm handling
• Unique thread design for consistently secure seal
• Optional ceramic write-on spot with fill marks
• Rigorous quality assurance for dimensional consistency from lot to lot

Wide opening vials have a 40% larger opening than standard opening vials.