Multi-Compartment Reagent Bottle Cap - RoyalPoint
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Multi-Compartment Reagent Bottle Cap

Our Multi-Compartment Reagent Bottle Cap is a precision-engineered pharmaceutical and diagnostic closure developed for applications where two components must remain physically separated until the point of use. The cap incorporates an integrated reagent chamber and controlled activation mechanism that allows safe mixing of powders and liquids immediately before administration or testing. This design helps preserve reagent potency, improve product stability, and extend shelf life during storage and transportation.

Manufactured from high-quality medical-grade polypropylene, the closure offers excellent chemical resistance, dimensional accuracy, and sealing performance. The leak-resistant construction and optional tamper-evident features enhance product safety and support sterile packaging requirements. The cap is suitable for diagnostic kits, laboratory reagents, molecular testing systems, vaccine diluent packaging, and other specialty pharmaceutical applications.

The ergonomic design enables quick and reliable activation with minimal user effort, while the integrated dispensing path supports clean transfer of the mixed solution. Produced under controlled quality conditions, the cap provides consistent performance, reliable sealing, and dependable functionality for medical, pharmaceutical, biotechnology, and laboratory packaging applications.

Multi-Compartment Reagent Bottle Cap
Product NameMulti-Compartment Reagent Bottle Cap
Common Industry Names Dual-Chamber Reagent Cap, Powder-Liquid Mixing Cap, Reconstitution Cap, Two-Component Bottle Closure, Diagnostic Reagent Cap, Pharmaceutical Mixing Closure
Product Description Precision-molded pharmaceutical and diagnostic closure designed to keep two components separated until activation. The cap allows controlled mixing of dry and liquid reagents immediately before use, helping maintain reagent stability and shelf life.
Typical Specification
ParameterValue
Closure TypeMulti-compartment / dual-chamber cap
MaterialMedical-grade Polypropylene (PP)
ColorNatural translucent / custom colors
SterilitySterile or clean-room packed
CompatibilityPharmaceutical and diagnostic bottles
Activation MethodPush, twist, break-seal, or snap activation
ReuseSingle-use recommended
Dimensions (Typical) Outer Diameter: 20–38 mm
Height: 15–30 mm
Neck Finish Compatibility: 20 mm, 24 mm, 28 mm, 33 mm (customizable)
Main Components Outer screw cap, Inner reagent chamber, Central dispensing nozzle, Sealing membrane / breakable seal, Retention ring, Bottle engagement thread, Optional tamper-evident band
Applications Diagnostic reagent bottles, Molecular diagnostics kits, Rapid test kits, Lyophilized pharmaceutical products, Vaccine diluent systems, Laboratory reagent packaging, Specialty chemical packaging, Point-of-care testing kits
Working Principle Powder reagent is stored in the upper chamber while liquid remains in the bottle. Activation opens the internal seal, allowing mixing immediately before use.
Product Features Maintains separation of sensitive components, Extends shelf life, Leak-resistant construction, Tamper-evident design available, Easy one-step activation, Suitable for sterile packaging, Lightweight and chemically resistant
Material Details
PartMaterial
Outer CapMedical PP
Inner ChamberMedical PP
Dispensing NozzleMedical PP
SealTPE / PE membrane / foil laminate
Manufacturing Process Multi-cavity precision injection molding, Insert molding of seal components, Clean-room assembly, Leak testing, Functional activation testing, Sterilization (ETO/Gamma if required), Packaging
Packaging (Typical) 500 pcs per polybag, 2000–5000 pcs per carton, Sterile individual pouch available
Storage Conditions Store in a cool, dry place away from direct sunlight and excessive heat.
Regulatory / Quality ISO 13485 compliant manufacturing, GMP-compatible production environment, CE marking (where applicable), Medical-grade biocompatible materials
HS Code (Indicative) 3923.50 – Plastic stoppers, lids, caps and other closures.