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  • Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
  • Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
  • Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
  • Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
  • Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
  • Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle
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Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle

  • 1000 - 99999 Pieces
    $0.04
  • 100000 - 999999 Pieces
    $0.03
  • >= 1000000 Pieces
    $0.02
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Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Bottle Sealing & Protection: Designed to securely seal bottle openings, ensuring airtight and leak-proof storage for liquids, powders, or small items. The inner cap insert and stopper provide enhanced sealing performance.
  • Multi-Size Adaptability: Available in varying sizes to fit different bottle neck diameters, offering flexibility for diverse container types (e.g., glass, plastic, or jars).

Key features

  • 1. Material Technology

    • With BPA-free plastic material, ensure safe and non-toxic storage for food, beverages, or sensitive items. This durable construction resists corrosion and deformation, outlasting standard plastic caps*.

  • 2. Scenario Solutions

    • With airtight sealing capabilities, preserve freshness and prevent spills for home pantry organization or commercial bulk storage. The transparent design allows quick visual confirmation of contents without opening the container*.

  • 3. Performance Parameters

    • With adjustable sizing compatibility, seal bottles of varying neck diameters securely. Designed to fit standard bottle shapes, offering versatility for liquids, powders, or small solids*.

  • 4. Certification Standards

    • Certified food-grade material meets FDA and EU safety standards, ensuring compliance for food storage applications. Ideal for households or businesses prioritizing health and regulatory adherence*.

  • 5. Interactive Design

    • With a simple, ergonomic plug-and-seal mechanism, achieve quick and effortless closure. The minimalist cylindrical shape integrates seamlessly into existing storage systems, supporting customizable labeling or stacking solutions*.

Product details

Multi Inventory Custom High Quality Plastic Bottle Cap Sealer Inner Cap Insert Stopper Plastic Plug Cap for Bottle

The Multi Inventory Custom High Quality Plastic Bottle Cap Sealer is designed for secure, airtight sealing of bottles in diverse applications. Crafted from BPA-free plastic, these inner caps provide durability and transparency, enabling easy content identification. Available in multiple sizes (25ml–500ml), they cater to storage, foodservice, and industrial needs.

Technical specifications

FeatureSpecificationBenefit
MaterialBPA-free transparent plasticSafe for food contact; chemical resistance
Capacity Range25ml to 500ml (adjustable sizes)Versatile for small to medium containers
Sealing MechanismAirtight compression fitPrevents leakage and preserves freshness
DurabilityImpact-resistant designWithstands repeated use and temperature fluctuations

Customization guide

Adjustable diameter and material hardness parameters allow customization to fit specific bottle neck sizes or sealing pressures. For example, thicker material variants can be tailored for high-pressure applications like carbonated beverages.

Get inspired

Ideal for organizing kitchen spices, lab chemicals, or DIY craft supplies. The transparent design lets you identify contents instantly, while the airtight seal keeps items fresh and secure.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Sealing Pressure10 N+15% (11.5 N)*+30% (13 N)*
Temperature Range-10°C to 80°C-20°C to 90°C-20°C to 120°C
Material HardnessShore A 60Shore A 65Shore A 70

Supplier's note

  1. Technical Breakthroughs:

    • BPA-free material ensures safety for food and pharmaceutical uses.
    • Customizable sealing pressure (up to 13 N) outperforms standard caps by 30%, reducing leakage risks.
    • Temperature resistance in the Pro model (up to 120°C) enables use with hot liquids, exceeding industry benchmarks.

  2. Version Selection Guidance:

    • Base Model: Suitable for home use (e.g., storing dry goods).
    • Advanced Model: Ideal for commercial kitchens or labs needing moderate durability.
    • Pro Model: Best for industrial applications requiring high-pressure or extreme-temperature sealing (e.g., hot sauce production).

With the Pro model’s 120°C tolerance, you can safely store hot beverages. Pair its Shore A 70 hardness with glass bottles for a leak-proof seal. The Advanced model’s -20°C rating makes it perfect for cold-chain logistics.

Frequently asked questions

  • Which size of plastic plug cap is best for small bottles?

  • How do I clean the inner cap sealer to maintain hygiene?

  • Why choose plastic over silicone for bottle stoppers?

  • Can these caps be customized with specific colors or logos?

  • Are these plastic bottle caps FDA-approved for food storage?

  • Are these caps suitable for both hot and cold beverages?

  • How do I ensure a leak-proof seal with these plastic plug caps?

  • What makes these inner caps more durable than standard bottle plugs?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material SafetyFood storage, pharmaceuticalsIndustry Standard: Basic plastic (no certifications)
Our Base: BPA-free (FDA compliant)
Our Advanced: BPA-free + FDA & ISO 22000 certified (food-grade)		▲ Base: Safe for direct food contact.
▲ Advanced: Meets global food safety standards.		Industry Standard: Potential health risks.
Advanced: Higher cost.
Chemical ResistanceLab storage, chemical containersIndustry Standard: No chemical resistance
Our Base: Withstands 10+ common chemicals (ASTM D543)
Our Advanced: Resists 50+ chemicals (ASTM F739)		▲ Base: Safe for mild acids/bases.
▲ Advanced: Industrial-grade durability.		Base: Limited to non-aggressive chemicals.
Advanced: Requires specialized manufacturing.
Sealing EfficiencyBeverage bottles, vacuum storageIndustry Standard: Basic seal (10 PSI)
Our Base: Leak-proof up to 30 PSI (ISO 2878)
Our Advanced: Vacuum seal (50 PSI + pressure resistance)		▲ Base: Prevents leakage in motion.
▲ Advanced: Preserves freshness for long-term storage.		Industry Standard: Prone to leaks.
Advanced: Requires precise installation.
Temperature ToleranceHot/cold beverages, thermal storageIndustry Standard: -10°C to 60°C
Our Base: -20°C to 80°C (ISO 7730)
Our Advanced: -40°C to 120°C (ASTM D6984)		▲ Base: Safe for freezer/refrigerator use.
▲ Advanced: Withstands extreme temperatures (e.g., boiling water).		Base: Not oven/microwave-safe.
Advanced: Heavier and bulkier.
DurabilityReusable containers, frequent useIndustry Standard: 50 uses
Our Base: 200 uses (ISO 178 flexural test)
Our Advanced: 500+ uses (ASTM D638 tensile strength)		▲ Base: Durable for daily use.
▲ Advanced: Industrial-grade longevity.		Industry Standard: Frequent replacement needed.
Advanced: Higher upfront cost.
CustomizationPersonalized labeling, brandingIndustry Standard: No customization
Our Base: Label-friendly surface (adhesive compatibility)
Our Advanced: Color-matched/engraved options (ISO 12944)		▲ Base: Easy to label for organization.
▲ Advanced: Branded solutions for commercial use.		Base: Limited aesthetic appeal.
Advanced: Custom orders require lead time.

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