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Precision 18/400 Glass Dropper Assembly with Ribbed Skirt Cap - Leak-proof Essential Oil Pipette for Cosmetic & Pharmaceutical Packaging - OEM China Source Factory

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High-precision 18/400 glass droppers designed for essential oils and laboratory reagents. Featuring chemical-resistant rubber bulbs and durable glass pipettes. Verified China source factory offering wholesale pricing and global logistics. ISO-certified quality control. 【Free Samples Available – Contact us to test compatibility with your bottles!】
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Reliable Liquid Dispensing Solutions for Premium Brands

Choosing the right dropper is critical to ensuring your product’s shelf life and user experience. Our 18/400 Glass Dropper Assembly is engineered for precision, durability, and professional aesthetics, making it the preferred choice for Sourcing Managers and R&D Professionals in the skincare and wellness industries.

Why Our Dropper Stands Out in the Global Market:

  • Medical-Grade Precision (For R&D Managers): Each glass pipette is crafted for consistent drop size, ensuring accurate dosing for high-potency serums, essential oils, and pharmaceutical liquids. The rubber bulb provides excellent suction power without leakage.

  • Universal Compatibility (For Sourcing Managers): The standard 18/400 neck finish is compatible with a wide range of Boston Round and Euro glass bottles. We offer custom pipette lengths to fit your specific bottle height, reducing the risk of bottom-residue waste.

  • Premium Build Quality: The ribbed plastic cap provides a non-slip grip and a professional look. The glass is chemically inert, ensuring that your formula remains pure and uncontaminated over time.

  • Cost-Efficient Source Factory (From China): By working directly with our factory, you bypass distributors, reducing costs by 20-30% while maintaining high-end manufacturing standards.

Solving Your Packaging Pain Points:

  • Say Goodbye to Leaks: Our precision threading ensures a 100% airtight seal, preventing oxidation and spills during transit.

  • Customizable Aesthetics: Available in various bulb materials (Silicone/NBR) and cap colors to match your brand identity.

  • Low MOQ & Fast Sampling: We understand the need for speed in product development.


  (Key Specifications)

FeatureTechnical Details
Neck Finish18/400 (Custom sizes like 20/400, 24/410 available)
Pipette MaterialHigh-Borosilicate Glass / Flint Glass
Bulb MaterialNatural Rubber / Silicone / Nitrile (Oil Resistant)/NBR/TPE
Cap StyleRibbed Skirt Plastic Cap (Smooth or Aluminum options)
Pipette LengthCustomizable (Standard: 77mm, 89mm, 108mm, etc.)
ApplicationEssential Oils, Serums, CBD Oils, Laboratory Use
B2B Advantage**Free Samples Available
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CONTACT US

ADD: No.9, South Xuexi Road, Gaohong Town, Linan 311300, Hangzhou, Zhejiang Province, China
TEL: 86-571-63739288
FAX: 86-571-63737798 , 86-571-63739377
SITE: https://www.sellbottle.com
EMAIL: sales@sellbottle.com

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