1 oz Black Medical Grade Graduated Glass Dropper with Long Bulb (20-400) (Ribbed)
SKU: GB08-020-400 / 76mm-Black-(LB)(LF)
Medical Grade Printing
Our 1 oz Black Medical Grade Graduated Glass Dropper is a continuous thread (CT) polypropylene dropper. Above all, our printed glass pipette includes baked graduation marks at .25, .5, .75, and 1 mL. This baked in printing is lead-free and made to withstand being summers in corrosive chemicals.
The benefit of this new ink is it uses a printing method called “permeation.” Whereas black ink is done via silk screen printing which can “react” with certain products, Our new permeated ink has been lab-tested & has been proven to be Non-reactive.
In addition, Our 1 oz black medical grade graduated glass dropper includes a large monprene bulb. Which increases the dispensing power to our 76mm straight tip graduated glass pipette between 0.5 mL – 1.0 mL of liquid per stroke. This makes our black graduated glass dropper a perfect closure for precise dispensing.
For instance, it is great for a variety of uses from aromatherapy and essential oils.
Continuous Thread (CT) Style
This Assembly features a continuous thread dropper cap. Continuous Thread Caps, also called CT, are a variety of caps that share the common characteristic of a threaded closure.
For instance, It does not have a pushdown cap. Anyone can open this cap with ease by twisting counter-clockwise to open. The ribbed edges make it even easier by adding a great source of friction for a good grip.
Polypropylene marked (PP) has very good resistance to fatigue. For instance, it has an extremely high melting point. (320 degrees Fahrenheit or 160 degrees Celsius)
In conclusion, This 1 oz Black Medical Grade Graduated Glass Dropper has a 20-400 neck finish. For instance, the first number refers to the diameter (in mm), and the second refers to the closure depth, style, and thread. In addition, this dropper fits our 1 oz (30 ml) Boston round bottle selection that has a 20-400 neck and 76mm depth.
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