Product Introductions
42mm Plastic Container Cap with Dual Flapper is developed based on our existing mold platform for spice and seasoning packaging, with a focus on structural stability and controlled dispensing performance. The cap adopts a dual-flapper configuration paired with a 5-hole outlet layout, which allows users to switch between pouring and sealing functions within one closure system.
During production, particular attention is given to hinge flexibility and closing tolerance to ensure repeated opening and closing without deformation or looseness.
Product Parameters
| Parameter | Description |
|---|---|
| Model | C53-042R |
| Material | Food-grade plastic |
| Size | φ42mm |
| Structure | 5 Holes Dual flapper |
| Color | Customizable |
| Suitable For | Standard 42mm neck bottles |
Product Features
1.The dual-flap structure is assembled after molding using calibrated hinge pressure to ensure smooth opening force and reliable closure. During production, flap alignment and rebound performance are checked to prevent leakage or incomplete sealing during repeated use.
2.The 5-hole configuration is formed directly in the mold with controlled pin dimensions to maintain uniform aperture size. This ensures consistent flow rate during dispensing, which is especially important for fine or blended seasonings.
3.The inner thread and sealing edge are produced with tight tolerance control to match common 42mm bottle neck finishes. Regular gauge testing is carried out during production to ensure compatibility across different bottle suppliers.
4.The cap body is optimized for material usage without affecting structural strength, allowing efficient carton loading and reduced shipping cost. Injection parameters are adjusted to maintain part rigidity while minimizing excess weight.
5.Production is carried out on multi-cavity molds with stable cycle times, combined with in-line inspection for dimensions, assembly, and appearance. Each batch is checked for functional performance before packing to ensure uniform quality in bulk supply.
Certifications
Production Process
42mm Plastic Container Cap Wholesales with Dual Flapper is produced through a controlled manufacturing sequence, starting from food-grade raw material selection to final packing, with each stage managed to ensure stability in both structure and function. The plastic granules are selected based on consistent melt flow performance and are inspected for purity and color uniformity before production. During injection molding, multi-cavity molds with balanced runner systems are used to maintain even material distribution, while processing parameters such as temperature, pressure, and cooling time are adjusted to ensure thread accuracy, dimensional consistency, and surface quality.
Following molding, the dual flapper components are assembled using dedicated fixtures to ensure proper hinge engagement and alignment. Each assembled cap is checked for opening force and sealing performance to avoid issues during use. Surface finishing includes trimming and visual inspection to remove burrs and verify key functional areas such as sealing edges and dispensing holes. The products are then packed in protective inner bags and export cartons with batch labeling for traceability. Throughout the process, routine in-line inspections are carried out to maintain consistency across bulk production.
Why Choose Us
42mm Plastic Container Cap Manufacturer with Dual Flapper is manufactured with a focus on maintaining consistent product quality across bulk orders, supported by standardized tooling and stable production parameters. During mass production, cavity-to-cavity variation is controlled through regular mold maintenance and process monitoring, ensuring that each cap maintains uniform thread fit, flap alignment, and dispensing performance. Batch records and in-line inspections are used to track consistency throughout the production cycle.
We offer flexible customization options based on existing mold structures, including color adjustment, logo application, and packaging variations, without affecting production stability. Our production lines are scheduled to handle repeat orders with reliable output, allowing us to maintain steady supply timelines for ongoing projects. With experience supplying to international buyers, we are familiar with export packing standards, documentation requirements, and coordination with different shipping and inspection arrangements.
FAQ
Q: Do you offer product customization services?
A: Yes, we provide OEM/ODM services, including logo printing, packaging design, and partial structural or functional modifications. Customization requires design confirmation and sample approval in advance.
Q:How stable is your supply for long-term orders?
A: We maintain stable production schedules and raw material sourcing to support long-term and repeat orders.
Q:What is your production capacity?
A: Our daily output is approximately 50,000–80,000 pieces, with monthly capacity exceeding 1.5 million pieces.
Q:Can I get samples before placing a bulk order?
A:Yes, standard samples are available. Shipping cost is typically covered by the customer.
