Produces a firm, leak-resistant seal for glass and plastic tubes and helps protect samples from evaporation and contamination
Can be easily applied and removed with one hand; can also be punctured to allow through-cap sampling via closed-tube instrumentation systems
Will not interfere with most common chemistry, coagulation and drug monitoring methodologies; can be stored in the refrigerator, in the freezer or at room temperature
Can withstand agitation in a test tube Vortex mixer
