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Introducing our Small Portable Sample Cup Disposable Tight Sealing Lids – the perfect solution for secure sample containment during transport and storage. Manufactured by Wuhan Century Kingxin Co., Ltd., a company founded in 2018 with over 50 employees and an annual export value of US$2.5–5 million, these lids are engineered to meet the highest standards of reliability and convenience. Our expertise in producing disposable packaging components ensures that every lid delivers consistent tight sealing performance, protecting your valuable samples from leakage and contamination. Whether you are in clinical labs, food testing, or environmental monitoring, these lids offer an economical yet dependable closure system.
Key Features & Specifications
Each lid is precision-molded from high-quality polypropylene (PP) or PET material, offering excellent chemical resistance and dimensional stability. The snap-on design ensures a tight seal that stays secure during centrifugation, vibration, or temperature changes. Below are detailed technical parameters:
| Parameter | Value |
|---|---|
| Material | PP / PET (food-grade available) |
| Compatible Cup Diameter | 30–60 mm (custom sizes on request) |
| Sealing Performance | Leak-proof at 2000 RPM centrifugation |
| Temperature Resistance | -20°C to 80°C (PP), -40°C to 60°C (PET) |
| Color Options | Clear, White, Blue, Custom |
| Quantity per Pack | 100 / 500 / 1000 pieces |
Detailed Product Advantages
- Exceptional Tight Sealing – The specially designed inner ring creates a double-lock seal that prevents liquid spillage even when cups are inverted. Ideal for shipping liquid samples frozen or at room temperature.
- Portable & Lightweight – Each lid weighs only 0.5–2 grams, minimizing shipping costs while maintaining strength. The compact size fits easily into sample bags, coolers, or automated handling systems.
- Disposable & Hygienic – Made from virgin materials, these lids are intended for single use, eliminating cross-contamination risks. Suitable for applications requiring strict cleanliness, such as clinical diagnostics and food microbiology.
- Wide Compatibility – Our lids fit most standard disposable sample cups (round rim type) in the market. We also offer custom molding for proprietary cup designs.
- Cost-Effective – Direct factory pricing without middlemen saves you up to 30% compared to branded alternatives. Bulk orders receive additional discounts.
- Customization Available – Print your logo, add color coding, or adjust dimensions per your requirements. Minimum order quantity for customization is 50,000 pieces.
Trust & Reliability – Why Choose Us
As a manufacturer with ISO9001 certification and over 6 years of export experience, Wuhan Century Kingxin Co., Ltd. supplies these lids to clients across North America, Europe, Southeast Asia, and Africa. Our annual export value of US$2.5–5 million is backed by a dedicated team of 51–100 employees, ensuring consistent quality and timely delivery. We ship from major Chinese ports (Wuhan, Shanghai, Shenzhen, Ningbo) with flexible logistics options. Our overseas office facilitates smooth communication for international customers. Every batch undergoes rigorous quality checks – including seal force tests and dimensional inspections – to guarantee your satisfaction.
By choosing our small portable sample cup lids, you are partnering with a reliable supplier committed to rigorous quality control and customer-centric service. Contact us today for free samples and a customized quote – experience the tight seal that professionals trust.
Frequently Asked Questions (FAQ)
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Q: Are these lids compatible with cups from other manufacturers?
A: Our lids are designed to fit standard sample cups with outer diameters between 30–60 mm and a snap-on rim profile. We recommend sending a sample of your cup for compatibility testing. Custom diameters are also available upon request.
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Q: Can the lids withstand freezing or autoclaving?
A: PP lids can withstand temperatures from -20°C to 80°C, suitable for freezer storage but not for autoclaving. PET lids have a lower high‑temperature limit (60°C). If you need higher temperature resistance, we can discuss alternative materials.
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Q: Are the lids food-grade safe?
A: Yes, we offer food-grade PP/PET options that comply with FDA and EU regulations. Please specify your requirement when ordering, and we will provide the corresponding material certificates.
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Q: What is the minimum order quantity (MOQ) for standard lids?
A: For standard sizes and clear/white colors, MOQ is 10,000 pieces. For custom colors or printing, MOQ is 50,000 pieces. We also keep small stocks for sample orders (100–500 pieces) upon request.
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Q: How do you ensure the lids are leak-proof during transportation?
A: Each production batch is tested with a water‑fill centrifugation test at 2000 RPM for 5 minutes. Lids showing any leakage are rejected. Our QC procedure also includes visual inspection and dimensional checks.
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Q: Can you provide print or color customization for brand identification?
A: Absolutely. We can hot‑stamp your logo or add a matte finish. Custom colors using Pantone numbers are also achievable. Please contact our sales team for artwork setup and cost details.
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Q: What are the payment terms and lead time?
A: Typically we accept T/T (30% deposit, 70% before shipment) or L/C. Lead time for standard products is 15–20 days after deposit. Customized orders may take 25–30 days. Express delivery (DHL, FedEx) is available for sample orders.
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Q: Do you have overseas warehouses or distribution partners?
A: We have an overseas office that coordinates with local agents in North America and Europe. We can also drop-ship directly to your customers if needed. Contact us to discuss the best logistics solution for your market.
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