Description
VOA & TOC CERTIFIED || Pack of 100, 20mL amber vials are certified for volatile organic analysis and total organic carbon.ASTM/USP TYPE I || Made from 51 expansion Borosilicate glass conforming to USP Type I and ASTM E438 Type I, Class B requirements, with a coefficient of linear expansion = 54x10°C.PTFE SEPTA || Caps and seals are manufactured from high purity polypropylene with a silicone/PTFE septa.FLAT BOTTOMS || Vials have a stable flat bottom for most sampling & analysis applications.SHRINK WRAPPED || Vials and caps are preassembled and shrink wrapped into trays