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Help Center20-50mm Adjustable Tamper Proof Ring, LDPE Material, Food Contact Safe, 100% Recyclable
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Welcome to Anping County Boli Hardware Wiremesh Products Factory — a trusted manufacturer established in 1998 with over two decades of experience in precision metal and plastic products. Our 20-50mm Adjustable Tamper Proof Ring, made from LDPE (Low-Density Polyethylene), is designed to provide reliable tamper evidence for a wide range of packaging applications. This ring is not only food contact safe but also 100% recyclable, making it an ideal choice for eco-conscious brands and industries. With annual export value exceeding US$5 million and shipping ports across Tianjin, Qingdao, Shanghai, and Foshan, we serve global markets including North America, Europe, and Southeast Asia. Let us help you enhance product safety and sustainability.
Our tamper proof ring is engineered to fit bottle caps and container closures with diameters from 20mm to 50mm, offering adjustable flexibility for different neck sizes. The LDPE material ensures excellent elasticity and durability, allowing the ring to snap firmly onto the cap while remaining easy to remove upon opening. Key features include:
- Adjustable Design: The ring can be stretched or compressed to fit various cap diameters within the 20-50mm range, reducing inventory complexity.
- Tamper Evidence: Once the cap is opened, the ring breaks or deforms visibly, providing clear indication of tampering.
- Food Contact Safe: LDPE material complies with FDA and EU food contact regulations, ensuring no harmful migration into contents.
- 100% Recyclable: LDPE is widely recyclable in most municipal recycling streams, supporting circular economy goals.
- Low Cost & Lightweight: LDPE offers a cost-effective solution compared to metal or PVC alternatives, reducing shipping weight.
- Customizable Colors: Available in natural clear or custom colors to match brand identity.
| Parameter | Specification |
|---|---|
| Material | LDPE (Low-Density Polyethylene) |
| Diameter Range | 20mm – 50mm (adjustable) |
| Thickness | 0.3mm – 0.5mm (customizable) |
| Color | Natural clear, white, or custom colors |
| Food Contact Compliance | FDA, EU 10/2011 (upon request) |
| Recyclability | 100% recyclable (LDPE code 4) |
| Packaging | Bulk bags, cartons, or custom packaging |
The adjustable nature of this ring provides significant convenience for manufacturers who use multiple bottle sizes. Instead of stocking separate tamper rings for each diameter, a single adjustable ring can cover a range from 20mm to 50mm. This reduces inventory costs and simplifies supply chain management. The LDPE material is also highly flexible, allowing the ring to be applied quickly using automated or manual capping equipment.
Customer Benefits: By choosing our adjustable tamper proof ring, you gain a tamper-evident solution that is both cost-effective and environmentally responsible. The 100% recyclability helps your brand meet sustainability targets, while the food contact safety ensures compliance with global regulations. Our rings are tested for consistent breakage force and visual clarity, guaranteeing reliable performance on filling lines.
At Anping County Boli Hardware Wiremesh Products Factory, we have been manufacturing industrial components since 1998. Our annual export value of US$5 million – US$10 million reflects our strong presence in over 15 international markets, including North America, Europe, South America, Africa, and Oceania. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan), ensuring efficient logistics worldwide. Our factory in Hengshui, Hebei, China, is equipped with advanced injection molding and extrusion lines, allowing us to produce high volumes with consistent quality. We have a dedicated team of engineers who can assist with customization and technical support. Whether you need a standard size or a custom specification, we are committed to delivering excellence. Contact us today to discuss your tamper ring requirements and experience reliable partnership.
Frequently Asked Questions
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Q: What is the minimum order quantity (MOQ) for this tamper proof ring?
A: Our standard MOQ is 10,000 pieces, but we can accept smaller trial orders upon request. Please contact our sales team for details. -
Q: Can I get a sample before placing a bulk order?
A: Yes, samples are available for evaluation. You can request a free sample (shipping cost may apply) or purchase a small batch. We will provide samples within 3-5 working days. -
Q: Is this ring suitable for carbonated beverages or hot-fill products?
A: LDPE material is generally suitable for ambient and cold-fill applications. For hot-fill (above 60°C) or pressurized beverages, we recommend testing with actual product conditions. We can also offer alternative materials if needed. -
Q: How do you ensure the tamper evidence is clearly visible?
A: Our rings are designed with a weakened bridge that breaks upon opening, leaving a visible gap or deformation. The color contrast (e.g., clear ring on colored cap) further enhances detection. We can also add a color change indicator upon request. -
Q: Can the ring be customized with my company logo or text?
A: Yes, we offer custom printing or embossing on the ring. This requires a mold modification, which may involve a one-time setup fee. Minimum order quantities for custom designs are higher; please inquire. -
Q: What certifications do you have for food contact safety?
A: Our LDPE material complies with FDA 21 CFR 177.1520 and EU Regulation 10/2011. We can provide test reports and declarations of compliance upon request. Note that specific certifications may vary by destination country; we can assist with documentation. -
Q: Is the ring compatible with existing capping machines?
A: Yes, the adjustable design allows the ring to be applied using standard cap tightening or snap-on equipment. We recommend conducting a trial run with your machine to ensure proper fit. Technical support is available. -
Q: How do you package the rings for export?
A: Standard packaging is in poly bags inside cartons, with palletization for sea freight. We can also customize packaging (e.g., bulk boxes, shrink-wrapped trays) based on your requirements. Each shipment is labeled with product details and handling instructions.
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