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Help CenterTamper Evident Band Bottle Cap, 0.4mm PET, 21mm Neck, 1 Year Warranty, Standard Compliant
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Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998, proudly presents our Tamper Evident Band Bottle Cap – a reliable solution for securing your product integrity. With an annual export value of US$5–10 million, we serve global markets across North America, Europe, Asia, and beyond. This cap is engineered from 0.4mm premium PET, designed for 21mm neck bottles, and backed by a 1-year warranty, ensuring your products remain safe and tamper-proof from factory to consumer.
Our caps are manufactured with precision to meet stringent industry standards, offering a cost-effective yet robust sealing solution. Whether you are packaging bottled water, carbonated drinks, edible oils, or liquid pharmaceuticals, this cap delivers consistent performance and clear evidence of any unauthorized access.
Key Features & Technical Specifications
- Tamper Evident Band: The breakable band provides visible indication of opening, enhancing consumer trust.
- 0.4mm PET Material: Offers excellent rigidity, clarity, and resistance to chemicals and impact.
- 21mm Neck Fit: Compatible with standard 21mm screw-thread bottle necks (PCO 1810, PCO 1881, etc.).
- 1 Year Warranty: Covers manufacturing defects, ensuring your supply chain reliability.
- Standard Compliant: Meets global safety and quality requirements for food and beverage packaging.
- Customizable Colors & Logos: Available upon request to match your brand identity.
- Easy to Apply: Designed for standard capping machines with consistent torque performance.
| Parameter | Value |
|---|---|
| Material | PET (Polyethylene Terephthalate) |
| Thickness | 0.4 mm ± 0.05 mm |
| Neck Diameter | 21 mm |
| Overall Height | Approx. 18 mm (varies by design) |
| Band Breakage Force | Typical 3–6 N (customizable) |
| Operating Temperature | -20°C to 60°C |
| Warranty | 1 Year |
Detailed Advantages for Your Business
Our tamper evident cap offers a perfect balance of durability and transparency. The 0.4mm PET ensures the cap is strong enough to withstand shipping pressures yet flexible enough to create a tight seal. The band is designed to snap cleanly upon first opening, leaving a visible ring below the cap – a clear signal that the product has not been tampered with. This feature is critical for industries where safety and authenticity are paramount, such as bottled water, functional beverages, and liquid supplements.
Compared to standard plastic caps, our PET caps provide better clarity, allowing customers to see the product inside. The material is also recyclable, aligning with growing environmental concerns. Furthermore, the 21mm neck size is universally accepted on most PET bottles, minimizing the need for retooling your production line.
Quality control is a top priority at our factory. Each batch undergoes rigorous testing for band breakage force, torque resistance, and leakage. We also offer optional customization – including color matching, embossed logos, and anti-counterfeit marks – to help your brand stand out while maintaining security.
Frequently Asked Questions (FAQ)
The band is a breakable ring attached to the cap. When the cap is twisted open, the ring separates from the cap and remains on the bottle neck, providing a clear visual indication that the cap has been opened. This helps protect consumers from tampered products.
Yes, these caps are designed to withstand internal pressure typical of carbonated drinks. The 0.4mm PET material offers good gas retention when combined with a proper liner (liner not included but can be added upon request).
Our standard caps are designed for ambient or cold-fill processes. For hot-fill (above 85°C), we recommend using a heat-resistant variant. Please contact our sales team for customized solutions.
Typically, our MOQ is 100,000 pieces for standard clear caps. Smaller quantities may be available for sample or trial orders. Color customization and logo printing may have higher MOQ requirements.
Yes, we offer free samples (shipping cost borne by buyer) for quality evaluation. Samples typically take 5–7 working days to produce.
We recommend sending a sample of your bottle neck (or detailed dimensions) to our team. We can then confirm compatibility or adjust the cap design accordingly. Our caps are designed for standard 21mm neck finishes (PCO 1810/1881).
Our caps are manufactured in compliance with food-grade safety standards. Specific certifications (e.g., FDA, EU food contact) can be provided upon request for different markets. Please inquire with our sales team.
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has built a reputation for quality and reliability. We export to more than 20 countries and regions, with annual export value exceeding US$5 million. Our dedicated team ensures on-time delivery from major ports (Tianjin, Qingdao, Shanghai, Foshan) and offers flexible shipping options. Choose our tamper evident band bottle cap to safeguard your brand and satisfy your customers. Contact us today for a quotation or sample – we are ready to support your packaging needs.
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