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China Flip Top Cap Mold Manufacturer China Wet Tissue Flip Top Cap
China Flip Top Cap Mold Manufacturer China Wet Tissue Flip Top Cap
We provide two core products: Wet Tissue Flip Top Caps (end-use packaging parts) and Flip Top Cap Molds (production tools for caps). Below are detailed specifications to match your production needs:
| Parameter |
Details |
| Application |
Exclusively for wet tissue packaging (standard wet tissue packs: 10/20/50/100 sheets) |
| Material |
Food-grade PP (Polypropylene) or PE (Polyethylene); BPA-free, LFGB/FDA certified |
| Size & Fit |
Diameter: 30mm/38mm/45mm (common sizes for wet tissue pack openings); customizable to match your pack dimensions |
| Sealing Performance |
Built-in food-grade silicone gasket; 100% leak-proof (tested: 0.5MPa pressure, no leakage for 24hrs) |
| Opening & Closing |
Flip-top design (one-handed operation); ≥5,000 smooth opening cycles (no breakage or loose hinges) |
| Color |
Transparent, white (standard); customizable via food-grade masterbatch (e.g., pink, blue, brand-specific colors) |
| Customization |
Logo embossing/debossing (on cap top); anti-slip texture (on flip tab); tamper-evident ring (optional) |
| Hygiene Standard |
UV-sterilized before packaging; meets ISO 22000 food safety standards (suitable for direct contact with wet tissues) |
| Parameter |
Details |
| Mold Material |
Cavity: P20/H13 mold steel (high hardness: HRC 30-35 for P20, HRC 45-50 for H13); Core: S136 stainless steel (corrosion-resistant) |
| Mold Precision |
Dimensional tolerance: ±0.005mm; Surface finish: Ra 0.02μm (mirror polish to avoid cap blemishes) |
| Cavity Number |
8/16/32 cavities (standard); customizable up to 64 cavities (for high-volume production) |
| Cycle Time |
8-12 seconds per mold cycle (for PP caps; depends on material and cavity count) |
| Compatible Machine |
Suitable for 80-200T injection molding machines (e.g., Haitian, Sumitomo) |
| Cooling System |
Built-in water-cooling channels (even temperature distribution: ±2℃) to reduce cycle time and prevent cap warping |
| Lifespan |
≥1 million shots (for P20 steel molds); ≥2 million shots (for H13 steel molds) with regular maintenance |
| Certifications |
Mold parts meet ISO 9001 quality standards; material test reports (MTR) provided |
Our 3D drawing (3D Design) service is a core advantage—we use advanced software to optimize cap and mold design, reducing trial errors and speeding up production. Here’s how we deliver value:
- Software Used: SolidWorks 2024 (for cap structure design), AutoCAD (for mold 2D drawings), Moldflow (for injection molding simulation)
- Deliverables: 3D models (file formats: STL, IGES, STEP) + 2D detailed drawings (with dimension annotations, material specs, and tolerance requirements)
- Key Functions:
- Cap-Mold Fit Simulation: Test how the flip cap will form in the mold (e.g., hinge flexibility, gasket compression) to avoid assembly issues.
- Flow Analysis: Use Moldflow to simulate plastic flow in the mold—preventing defects like air bubbles, uneven wall thickness, or short shots.
- User Experience Optimization: Adjust cap size/shape (e.g., flip tab length) via 3D models to ensure easy opening for all users (including children and the elderly).
- Requirement Collection: We gather your needs (cap size, wet tissue pack type, production volume, customization requests).
- Preliminary 3D Draft: Within 3 working days, we send a 3D model of the cap and mold for your review.
- Revision & Approval: We adjust the design based on your feedback (e.g., modify logo position, optimize sealing structure) until you confirm.
- Simulation & Finalization: Run Moldflow simulations to validate the design; provide a final 3D package (models + drawings) for production.
We control the entire production chain—from mold fabrication to flip cap injection—to ensure consistency and quality. Below is the step-by-step process:
- Material Cutting: Cut P20/H13 steel blocks into mold base/cavity/core sizes using CNC saws (precision: ±0.1mm).
- CNC Machining:
- Use 5-axis CNC milling machines to shape mold cavities (accuracy: ±0.005mm).
- Drill cooling channels and guide pin holes via CNC drilling (position tolerance: ±0.01mm).
- Heat Treatment: Harden mold steel (P20: 550℃ tempering; H13: 600℃ quenching) to enhance durability.
- Polishing & Assembly:
- Hand-polish mold cavities to Ra 0.02μm (mirror finish) to ensure cap surface smoothness.
- Assemble mold parts (cavity, core, guide pins, cooling system) and test for alignment.
- Mold Trial: Mount the mold on an injection machine; produce 50-100 sample caps to check for defects (e.g., warping, leakage). Adjust the mold if needed.
- Raw Material Preparation: Mix food-grade PP/PE granules with color masterbatch (if customized) and dry at 80℃ for 4hrs (to remove moisture).
- Injection Molding:
- Feed dried material into an injection machine (temperature: 180-220℃ for PP, 160-200℃ for PE).
- Inject molten plastic into the mold (pressure: 80-120MPa) and cool for 8-12 seconds.
- Cap Trimming: Remove gate residues from caps using automated trimming machines (no manual marks).
- Gasket Assembly: Insert food-grade silicone gaskets into caps via robotic arms (position accuracy: ±0.5mm).
- Quality Inspection:
- 100% leak test (immerse caps in water, apply 0.3MPa pressure).
- Random sample check: opening cycles (≥5,000 times), dimension measurement (±0.01mm).
- Packaging: Pack qualified caps in anti-static bags (500pcs/bag) + corrugated boxes (20 bags/box) with moisture-proof liners.
We partner with reliable logistics providers to deliver molds and caps to 60+ countries, including the EU, USA, Southeast Asia, and Africa. Our shipping solutions are flexible and cost-effective:
| Product Type |
Shipping Method |
Lead Time (Door-to-Door) |
Suitable For |
| Wet Tissue Flip Top Caps |
Express (DHL/FedEx) |
3-5 days |
Small orders (≤5,000pcs) |
| |
Air Freight |
7-10 days |
Medium orders (5,000-50,000pcs) |
| |
Sea Freight |
20-35 days |
Bulk orders (≥50,000pcs) |
| Flip Top Cap Molds |
Express (DHL/FedEx) |
5-7 days |
Single mold (lightweight) |
| |
Sea Freight (FCL/LCL) |
25-40 days |
Multiple molds (heavyweight) |
- Caps: Anti-static bags + corrugated boxes (with shock-absorbing foam) to prevent crushing.
- Molds: Wooden crates (heat-treated, ISPM 15 certified) + waterproof film to protect against moisture and impact during sea freight.
- We provide all required documents: commercial invoice, packing list, FDA/LFGB certificates (for caps), mold material test reports (MTR), and ISPM 15 fumigation certificates (for wooden crates).
- Our logistics team assists with customs clearance—we have 8 years of experience in handling cross-border shipments, ensuring no delays.
We’ve compiled the most frequent questions from our clients to help you make informed decisions quickly:
A1: Yes! We only need your wet tissue pack’s opening size (diameter, depth) and cap design requirements (e.g., logo, tamper-evident ring). Our 3D design team will create a mold that fits perfectly—free 3D draft provided within 3 days.
A2:
- Caps: MOQ = 1,000pcs (lower MOQ available for repeat clients).
- Molds: MOQ = 1 mold (we support small-batch mold production for startups).
A3: Every cap undergoes a 2-step leak test:
- Initial test: Inject air into the closed cap (0.5MPa) and submerge in water—no bubbles allowed.
- Final test: Pair caps with wet tissue packs, store at 40℃/80% humidity for 7 days—no moisture loss allowed. Our leak-proof rate is 99.9%.
A4: 15-20 working days for standard molds (8-32 cavities). For high-cavity molds (≥48 cavities), lead time is 20-25 working days. We offer expedited service (10-12 days) for urgent orders (additional 15% fee).
A5: Yes! We offer an 18-month warranty for all molds. If you encounter issues (e.g., cavity wear, cooling system leaks), we send replacement parts for free within 3 days. We also provide free mold maintenance guidance (video tutorials + manual).
A6: Absolutely! We provide 5-10 free samples (including customized colors/logos) for quality testing. Samples are shipped via DHL/FedEx and arrive in 3-5 days. You only need to cover the shipping cost (≈$20-$50, depending on your location).
As a trusted China Flip Top Cap Mold Manufacturer and Wet Tissue Flip Top Cap supplier, we combine precision engineering, fast production, and global logistics to support your business. Whether you need a single custom mold or bulk caps, we’re here to deliver solutions that meet your quality and budget needs.
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