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Help Center38mm PP Plastic Tamper-Evident Cap With Child-Resistant Feature, 2.2mm Wall Thickness
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As a trusted manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory brings over two decades of expertise to the production of high-quality plastic closures. Our 38mm PP Plastic Tamper-Evident Cap with Child-Resistant Feature is meticulously engineered to meet the rigorous demands of global markets, including North America, Europe, and Southeast Asia. With an annual export value exceeding US$5 million, we have shipped millions of caps to satisfied clients across diverse industries, ensuring safety, reliability, and compliance with international standards.
This cap combines two critical safety functions in a single design: tamper-evidence and child-resistance. The tamper-evident ring provides visible proof of first opening, while the child-resistant mechanism requires a coordinated push-and-turn action to open, making it difficult for young children to access the contents. The 2.2mm wall thickness offers superior strength and durability, preventing deformation during handling and transportation. Made from high-grade polypropylene (PP), this cap is resistant to chemicals, moisture, and temperature variations, ensuring product integrity throughout its lifecycle.
Key Features & Benefits
- Tamper-Evident Ring: Breaks upon first opening, providing clear visual evidence of tampering. Enhances consumer confidence and regulatory compliance.
- Child-Resistant Design: Requires a specific push-down-and-turn motion that is intuitive for adults but challenging for children under 5. Reduces risk of accidental ingestion.
- 2.2mm Wall Thickness: Offers robust structural integrity, resisting cracking, denting, or leakage under normal use conditions. Ideal for pressurized or liquid products.
- Polypropylene (PP) Material: Food-grade, BPA-free, and chemically inert. Suitable for pharmaceuticals, cleaning agents, solvents, and food products.
- Standard 38mm Neck Finish: Compatible with most 38mm glass or plastic bottles. Simplifies supply chain integration.
- Customizable Colors & Branding: We offer OEM/ODM services to match your brand identity. Minimum order quantity negotiable.
- Consistent Quality: Manufactured under strict quality control procedures, including dimensional checks and functional testing. Each batch is traceable.
Technical Specifications
| Parameter | Value |
| Material | Polypropylene (PP) |
| Diameter | 38 mm (standard neck finish) |
| Wall Thickness | 2.2 mm |
| Closure Type | Screw cap with tamper-evident ring & child-resistant mechanism |
| Color | Customizable (white, blue, green, etc.) |
| Temperature Resistance | -20°C to 80°C (typical range) |
| Applications | Pharmaceuticals, household chemicals, food supplements, pesticides |
| Packaging | Carton boxes, palletized, or as per customer request |
Why Choose Our Cap?
- Proven Safety: Child-resistant mechanisms are tested per ASTM D3475 (standard for child-resistant packaging). Tamper-evident design meets FDA and EU requirements for over-the-counter medicines.
- Cost-Effective: Our long-standing relationships with raw material suppliers allow us to offer competitive pricing without compromising quality.
- Flexible MOQ: We accommodate both small trial orders and large-volume production. Lead time is typically 15–25 days after order confirmation.
- Global Logistics: We ship from Tianjin, Qingdao, Shanghai, and Foshan ports, covering major shipping routes. Delivery to North America, Europe, and Oceania is efficient and reliable.
- Technical Support: Our engineering team can assist with cap-bottle compatibility, torque specifications, and custom design modifications.
Trusted by Industries Worldwide – Backed by 25+ Years of Manufacturing Excellence
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable partner for packaging solutions. Our factory, located in Hengshui, Hebei, spans modern production lines dedicated to plastic closures. With annual exports reaching $5–10 million, we serve a diverse customer base across North America, South America, Europe, Africa, Oceania, and Asia. We have shipped over 50 million caps to date, maintaining a less than 0.1% defect rate through rigorous quality control.
We understand that cap performance directly impacts product safety and brand reputation. That’s why every component is inspected for dimensional accuracy, break-away torque, and child-resistant functionality. Our team is committed to continuous improvement, and we welcome your feedback to further refine our products.
Ready to Secure Your Products? Contact us today for samples, pricing, or technical consultation. Let our experience work for you.
Frequently Asked Questions (FAQ)
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What is the difference between a tamper-evident cap and a child-resistant cap?
Tamper-evident caps show evidence of first opening (e.g., a breakable ring), while child-resistant caps are designed to be difficult for children to open. Our product combines both features in one. -
Is this cap suitable for liquid products?
Yes, the 2.2mm wall thickness and tight sealing make it suitable for liquids, including cleaning agents, syrups, and oils. However, we recommend testing with your specific bottle and product. -
Can I get a sample before placing an order?
Absolutely. We provide free samples (shipping cost may apply) for evaluation. Please contact us with your requirements. -
What is the minimum order quantity (MOQ)?
The MOQ depends on the color and customization. Typically, it is 50,000–100,000 pieces for standard colors. Contact us for smaller trial orders. -
How do you ensure the child-resistant feature works reliably?
Each production batch undergoes functional testing according to industry standards (e.g., ASTM D3475). We also provide test reports upon request. -
Can I customize the cap with my logo or brand?
Yes, we offer custom embossing, printing, or labeling on the cap. Discuss your design with our team for details. -
What is the typical lead time?
For standard caps, lead time is 15–20 days after order confirmation. Custom orders may take 20–30 days. -
Do you ship to my country?
We ship to major ports worldwide, including North America, South America, Europe, Africa, Oceania, and Asia. We can also arrange door-to-door delivery through our logistics partners.
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