Protection against exposure to air and improved product preservation

 Ideal solution for sensitive and powdered products

A 20-400 straight cap with operculum is designed for applications that require greater protection against exposure to air, release control, and preservation of the product's characteristics.

With a standard 20-400 thread, it is widely used on glass bottles, providing secure closure, effective sealing, and better preservation of sensitive products.

What sets this version apart is the inner seal attached to the lid, which acts as an integrated baffle, reducing air intake and helping to control the flow rate.

 What is the operculum?

O operculum It is an internal system already built into the lid, which acts as an additional barrier.

It allows you to:

• Reduced product exposure to air • Better preservation of sensitive formulations • Greater protection against potential contamination

 Differentials that add value to your product

 Standard 20-400 thread – compatible with PET and glass bottles Attached inner cap (integrated liner) Reduced oxidation and exposure to air Efficient and secure seal Straight design – functional and standardized Ideal for technical and sensitive products High precision in application

 Most used applications

A 20-400 straight cap with operculum It is recommended for products that require protection, management, and conservation:

Pharmacist & Technician

• Powdered Dyes • Compounded products • Air-sensitive compounds

Cosmetics & Specialties

• Fine powders • Concentrated active ingredients • Technical formulations

General use

• Granular or powdered products that require a tight seal

 Compatibility

Compatible with standard 20-400 vials, primarily used in:

• Glass • Also suitable for PET and other compatible materials

 It is recommended that the product be tested to verify flow and sealing.

 Technical Specifications

Model: 20-400 Flat Lid with Sealing Disc System: Thread Diameter: 20 mm (20–400) Material: Polypropylene (PP) Finish: Polished Differential: Attached inner lid

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