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| Make & Model | |
|---|---|
| Model | 91mm Dropper |
| Material | Polypropylene |
| Liner | Linerless |
| Tamper Evident | No |
| Country of Origin | USA |
| Color & Finish | |
|---|---|
| Color | Black |
| Finish Type | Continuous Thread |
| Finish Spec | 20-400 |
| Weights & Dimensions | |
|---|---|
| Diameter - Metric | 23 mm |
| Diameter - Standard | 0.91 in |
| Height - Metric | 114.2 mm |
| Height - Standard | 4.5 in |
The 20-400 black plastic dropper assembly with a 91 mm glass pipette and 1 mL pull bulb is designed for precise, controlled dispensing of liquid products. Engineered for accuracy and ease of use, this 20-400 dropper cap is ideal for applications requiring measured dosing, including essential oils, tinctures, serums, and other liquid formulations.
This glass pipette dropper assembly features a durable black polypropylene (PP) cap paired with a clear glass pipette for product visibility and chemical compatibility. The 91 mm glass pipette is designed to reach deeper into compatible containers, making it well-suited for taller bottles and ensuring efficient product access with minimal waste.
The 1 mL rubber bulb provides controlled suction and release, allowing users to draw and dispense consistent amounts of liquid with each use. This makes the 1 mL dropper assembly ideal for products where accuracy and repeatable dosing are important.
Designed with a 20-400 continuous thread (CT) finish, this 20-400 dropper closure is compatible with a wide range of glass and plastic bottles commonly used in personal care, nutraceutical, and wellness packaging. The secure fit helps maintain product integrity while supporting smooth application and handling.
Each assembly arrives ready for use, offering a clean, professional appearance suitable for both retail and functional applications. Whether used for beauty, wellness, or specialty liquid products, this black dropper cap with glass pipette delivers reliable performance and precision dispensing.
PRECISION DISPENSING FOR LIQUID PRODUCTS
The 20-400 dropper assembly is designed for accurate, controlled dosing across a variety of liquid applications.
GLASS PIPETTE FOR VISIBILITY & COMPATIBILITY
The 91 mm glass pipette provides:
Clear visibility of liquid contents
Chemical resistance for a wide range of formulations
Extended reach for taller bottles
Ideal for glass dropper assemblies in premium applications
1 mL BULB FOR CONTROLLED DOSING
The 1 mL rubber bulb supports:
Consistent, repeatable dosing
Smooth draw and release of liquid
Precise application for sensitive formulations
Ideal for tinctures, serums, and essential oils
20-400 CT FINISH FOR COMPATIBILITY
The 20-400 continuous thread finish ensures reliable fit:
Compatible with standard 20-400 bottles and containers
Suitable for glass and PET packaging
Provides secure closure and ease of use
Standardized sizing simplifies sourcing
COMMON APPLICATIONS
The 20-400 glass pipette dropper assembly is ideal for:
Essential oils and aromatherapy products
Herbal tinctures and extracts
Skincare serums and beauty formulations
Nutraceutical and wellness liquids
Specialty and small-batch liquid products
WHY USE DROPPER ASSEMBLIES?
Droppers provide precision and control for liquid products:
Accurate dosing for consistent use
Controlled dispensing to reduce waste
Enhanced user experience for premium products
Professional presentation for retail packaging
The 20-400 black plastic dropper assembly with 91 mm glass pipette and 1 mL bulb delivers a reliable, precise dispensing solution designed for performance, compatibility, and ease of use.
