Black PP Plastic 22-400 Ribbed Skirt Dropper Assembly with Rubber Bulb and 108 mm Straight Tip Glass Pipette for 4 oz Boston Round Bottle with Graduated Marks
Fit Size : 4 oz Boston Round Bottle with 22-400 Neck Finish
This is a Black PP Plastic 22-400 Ribbed Skirt Dropper Assembly with rubber bulb and 7*108mm straight tip glass pipette with yellow Graduation Marks at .25, .5, .75, and 1 mL. (fits with a 4 oz glass Boston Round Bottle). This dropper features a ribbed skirt and a glass tube making it ideal for cosmetic, oil, or chemical applications. This dropper will hold .8 cc of liquid with a full draw of the bulb. Dropper assemblies are composed of a number of parts: the cap, the bulb and the pipette (tube).
Dropper assemblies are used with liquids that require precision and intricacy when using the product. Polypropylene (PP) is marked with the resin identification code of 5. PP is less flexible than LDPE, somewhat stiffer than other plastics, reasonably economical, and can be translucent, opaque, or of any color. PP has very good resistance to fatigue, and has an extremely high melting point (320 degrees Fahrenheit or 160 degrees Celsius). This closure fits a container with a neck finish. The first number refers to the diameter of the container's opening (in mm). The second number refers to the thread/style/depth of the closure's skirt.
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![Black PP Plastic 15-425 Ribbed Skirt Dropper Assembly with Rubber Bulb and Glass Pipette [Fits 2 Dram Bottle]](https://cdn11.bigcommerce.com/s-sj958r0/images/stencil/338x338/products/730/2978/15-425_Dropper-1__58208.1704078924.jpg?c=2 "Black PP Plastic 15-425 Ribbed Skirt Dropper Assembly with Rubber Bulb and Glass Pipette [Fits 2 Dram Bottle]")
