18mm 18-415 Black Tamper Evident Graduated Dropper with NRB Bulb & 58mm Medical Glass Pipette | Precision TE Dropper Supplier
Product Overview

This 18mm 18-415 black tamper evident graduated dropper is engineered for secure, accurate, and controlled liquid dispensing, making it ideal for pharmaceutical, medical, laboratory, and high-precision applications.

Featuring a tamper-evident (TE) ribbed skirt closure, this dropper provides visible evidence of first opening to ensure product integrity and safety. As a professional graduated dropper supplier, we offer stable bulk production with consistent quality for regulated and performance-critical environments.

Equipped with a 58 mm medical-grade graduated glass pipette and a high-performance NRB (nitrile rubber) bulb, this dropper allows for precise measurement and repeatable dosing, making it suitable for applications where accuracy is essential.

Key Features
Tamper Evident (TE) Closure for Product Integrity
Ribbed skirt design provides visible evidence of first opening
Medical Graduated Glass Pipette for Precision Dosing
Clear graduation marks enable accurate and repeatable measurement
58 mm Straight Pipette for Small Volume Applications
Ideal for compact bottles and controlled dosing environments
NRB Bulb for Reliable Performance
Nitrile rubber offers excellent elasticity and chemical resistance
Heavy-Duty PP Construction
Durable polypropylene cap ensures long-term use and strong sealing
Bulk Supply with Customization Options
Supports pipette markings, materials, and component customization
Specifications
Neck Finish: 18-415
Size: 18mm
Cap Material: Polypropylene (PP)
Cap Type: Tamper Evident (TE), Ribbed Skirt
Bulb Material: NRB (Nitrile Rubber)
Pipette Material: Glass (Graduated, Straight Tip)
Pipette Length: 58 mm
Color: Black
Compatibility: Bottles with 18-415 neck finish
Applications

This graduated tamper evident glass dropper is widely used for:

Pharmaceutical liquids
Medical and laboratory solutions
Essential oils
Cosmetic formulations
Chemical and industrial liquids
Important Notes
Graduation Accuracy
Graduation marks are designed for accurate measurement based on standard testing conditions. Actual volume may vary depending on liquid viscosity.
Chemical Compatibility
Suitable for a wide range of formulations. Testing is recommended for highly reactive or solvent-based liquids.
Customization Options

We provide flexible customization to meet your packaging requirements:

Custom graduation markings
Cap color and finish customization
Bulb material options (NRB, silicone, etc.)
Pipette length and design adjustments
Logo printing and decoration
Why Choose Us
25+ years of packaging manufacturing experience
Integrated plastic and glass production capabilities
In-house mold development and customization
Stable bulk production with strict quality control
Trusted supplier for pharmaceutical and regulated packaging
FAQ

Q1: What is the benefit of a graduated dropper?
It allows precise measurement and repeatable dosing, essential for pharmaceutical and laboratory use.

Q2: What is NRB material used for the bulb?
NRB (nitrile rubber) offers excellent elasticity and resistance to oils and chemicals.

Q3: Is this dropper compatible with 18-415 bottles?
Yes, it is designed for bottles with an 18-415 neck finish.

Q4: Do you offer bulk or wholesale supply?
Yes, we specialize in bulk and wholesale orders. Please contact us for pricing and samples.