18-415 White Heavy Duty Tamper Evident Cap with LDPE Orifice Reducer Insert | Euro Dropper Cap Supplier
Product Overview

This 18-415 white heavy duty tamper evident cap with LDPE orifice reducer insert is designed for small glass bottles with 18 DIN / 18-415 neck finish, delivering a secure, leak-resistant, and controlled dispensing solution for liquid packaging.

Built with a reinforced polypropylene (PP) closure, this cap offers enhanced durability and reliable sealing performance, making it suitable for demanding applications. As a professional tamper evident cap supplier, we provide stable bulk production and consistent quality for essential oil, pharmaceutical, and chemical packaging.

The integrated LDPE orifice reducer insert enables precise, drop-by-drop dispensing, ensuring accurate dosing while minimizing product waste.

Key Features
Heavy Duty PP Construction for Enhanced Durability
Reinforced design improves strength and long-term performance
Tamper Evident (TE) Design for Product Integrity
Breakable band provides visible evidence of first opening
LDPE Orifice Reducer for Controlled Dispensing
Ensures consistent drop-by-drop flow and dosing accuracy
Secure Screw Closure with Leak Resistance
Provides tight sealing during storage and transportation
Compatible with 18 DIN / 18-415 Bottles
Designed for small glass bottles and Euro-style packaging
Integrated Insert System for Efficient Assembly
Insert remains in bottle, reducing leakage and improving usability
Bulk Supply with Stable Quality
Ideal for brands and distributors requiring consistent production
Specifications
Neck Finish: 18 DIN / 18-415
Cap Material: Polypropylene (PP)
Insert Material: LDPE (Low-Density Polyethylene)
Closure Type: Tamper Evident Screw Cap
Color: White
Compatibility: Small glass bottles with 18 DIN / 18-415 neck finish
Applications

This tamper evident dropper cap with orifice reducer is widely used for:

Essential oils
CBD oils
Pharmaceutical liquids
Fragrance oils
Chemical solutions
How It Works
When fully tightened, the cap presses the orifice reducer insert securely into the bottle neck.
The inverted dropper tip allows controlled, drop-by-drop dispensing when the bottle is turned upside down.
Upon first opening, the tamper-evident ring breaks, indicating the product has been opened while the insert remains in place.
Customization Options

We offer flexible customization to support your packaging needs:

Cap color customization
Orifice size adjustment
Insert material options
Logo printing and decoration
Why Choose Us
25+ years of packaging manufacturing experience
Integrated plastic and glass packaging solutions
In-house mold development and customization
Stable bulk production with reliable lead times
Trusted supplier for essential oil and regulated packaging
FAQ

Q1: What is the advantage of a heavy-duty cap?
It provides improved durability, stronger sealing, and better performance during transport and repeated use.

Q2: What is an orifice reducer insert?
It is a component placed inside the bottle neck to control liquid flow for precise dispensing.

Q3: Is this cap child-resistant?
No, this is a tamper-evident cap, not a child-resistant closure.

Q4: What bottles is this compatible with?
It fits small glass bottles with 18 DIN / 18-415 neck finish.