Xuzhou Muzhishi Crafts Co., Ltd. manufactures premium 20ml Amber Glass Roller Bottles designed for pharmaceutical-grade liquid formulations requiring superior light protection. Since 2005, our building has had 10 industrial glass kilns that can make up to 1 million units of glass every day. Our staff has over 20 years of experience making glass. Each bottle has either Type III soda-lime or Type I borosilicate glass that filters out 90% or more of UV light, a thicker wall for the roller-ball housing to stay in place, and precise neck finishes (18mm/20mm) that keep ±0.05mm tolerances. Our Amber Glass Roller Bottles have been certified by CE, FDA, SGS, and LFGB. This means that they are chemically stable and won't break down when used with essential oils, serums, and cosmetic painkillers.
Amber glass provides critical wavelength protection between 200nm and 450nm. This UV barrier prevents photo-oxidation of volatile organic compounds in botanical extracts, retinol formulations, and concentrated aromatherapy blends.
The iron and sulfur integration during glass formation creates consistent amber coloration. This process differs from surface coatings that degrade over time. Your formulation stability remains protected throughout the product lifecycle.
The 20ml capacity serves as the optimal bridge volume. It reduces refill frequency for clinical applications while maintaining portability for retail cosmetic lines.
| Specification | Details |
|---|---|
| Material | Premium Glass |
| Capacity | 20ml |
| Color | Amber |
| Shape | Round |
| Sealing Type | Crown Cap |
| Closure Type | Screw Cap |
| Ball Types | Glass, Steel Balls, Plastic |
| Cap Material | Plastic |
| Cap Colors | Gold, Silver, White, Black |
| Feature | Light-Proof, Leak-Resistant |
| Place of Origin | Jiangsu, China |
| Model Number | CP-R-018 |
| Brand Name | Muzhishi |
You receive full-process customization from concept to delivery. Our ODM and OEM capabilities include logo hot stamping, screen printing, inside engraving, and custom cap colors.
Sample lead time averages 3–5 days with 3D printing support for complex structural designs. Mass production completes within 30 days after sample approval.
One-on-one account managers coordinate your project from initial design through final shipment. This dedicated support ensures your branding specifications translate accurately to production.
Packaging options adapt to your distribution needs. We supply individual boxes, bulk cartons, or retail-ready displays based on your market requirements.

Every batch undergoes four-tier inspection protocols before shipment.
Dimensional precision testing uses digital calipers to verify neck tolerances within ±0.05mm. This prevents roller housing pop-outs during filling operations.
Hydrolytic resistance testing per ISO 719 ensures the glass surface does not leach alkali into your formulations. Chemical inertness protects product integrity for high-acid or oil-based preparations.
Vacuum leak testing at -0.05 MPa simulates high-altitude shipping and warehouse storage conditions. This verification confirms seal integrity for e-commerce distribution channels.
Spectrophotometer analysis validates amber hue consistency against USP light-resistant container standards. Roller-ball smoothness undergoes standardized RPM friction testing to guarantee consistent dispensing flow rates.

Clinical Aromatherapy and Topical Analgesics: Medical supply chains utilize these bottles for high-viscosity pain relief blends. The 20ml capacity reduces refill frequency while amber glass prevents breakdown of heat-sensitive botanical extracts.
Luxury Cosmetic Serums: Premium under-eye and neck treatments benefit from the stainless steel roller's cryo-effect massage properties. This enhances absorption of retinol and vitamin C derivatives while opaque glass maintains ingredient efficacy.
Industrial Sample Kits: Fragrance houses and chemical manufacturers transport concentrated solvent samples in variable-pressure environments. The specialized roller-fitment prevents evaporation and leakage during air freight better than standard screw caps.
Essential Oil Blending: Aromatherapists require precise topical application for therapeutic-grade oils. The roller mechanism delivers controlled dosing without contamination from direct hand contact.

Our integrated manufacturing system combines inventory availability with large-scale production flexibility.
In-stock 20ml Amber Glass Roller Bottles ship immediately upon order confirmation. Custom sample development requires approximately 25 days for tooling and prototype approval.
Six automated production lines per furnace ensure consistent quality at volume. This infrastructure supports both small batch orders and container-load purchases.
Raw material costs remain 10–15% below market average through strategic supplier partnerships. These savings transfer to your procurement budget without compromising quality standards.
Complete foreign trade documentation includes commercial invoices, packing lists, and certificates of origin. Our import/export licensing enables direct customs clearance coordination.
Sea freight, air transport, and multimodal shipping options adapt to your delivery timeline requirements. We manage inspection procedures specific to destination country regulations.
Protective packaging prevents transportation damage. Our 24-hour after-sales response addresses any shipment concerns with compensation protocols for verified claims.
Q: Why choose amber over cobalt blue for 20ml bottles?
A: Amber provides broader UV spectrum protection, particularly in the 200nm to 450nm range. This makes it superior for long-term stability of light-active ingredients compared to cobalt blue.
Q: Will the 20ml size fit standard 18mm roller fitments?
A: Most 20ml bottles use 18-410 or 18-415 finishes. Match the neck inner diameter precisely to the housing plug to prevent leakage. Request technical drawings for fitment verification.
Q: How do you prevent the roller ball from falling out?
A: Quality control includes pull-out force testing. Professional-grade housings feature tension-fit rims requiring specific Newton-force measurements to dislodge the ball.
Q: Can these bottles be sterilized?
A: Glass bodies are autoclavable up to 121°C. Plastic caps and roller housings require UV sterilization or chemical sanitization to avoid deformation.
Q: Are these suitable for high-acid formulations?
A: Type III glass is chemically inert for most applications. Extremely low pH formulations benefit from Type I Borosilicate to ensure zero ion exchange.
Contact our team at long@muzhishi.com to request 20ml Amber Glass Roller Bottles and discuss your packaging requirements. We provide comprehensive support from initial inquiry through repeat order fulfillment.
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.