Product Introductions
Spice Jar Sifter Caps are developed for stable and repeatable dispensing performance in commercial spice packaging applications. The cap adopts a dual-flapper structure combined with a 4-hole sifter layout, which allows controlled flow of powdered and granulated seasonings while maintaining structural balance during repeated use. From a production perspective, the design prioritizes consistent molding accuracy, reliable flap movement, and ease of assembly, making it suitable for continuous batch manufacturing and long-term wholesale supply.
Manufactured in plastic and built to a standard 38mm specification, this sifter cap is compatible with commonly used spice jars and seasoning bottles. It is widely applied in packaging lines for pepper, chili powder, paprika, and blended spices. The overall structure is optimized for production efficiency, container compatibility, and downstream filling operations, allowing brand owners and distributors to maintain stable packaging standards across different product lines.
Product Parameters
| Item | Specification |
|---|---|
| Model | C38M-8024 |
| Material | Plastic |
| Size | φ38mm |
| Type | 4 Holes |
| Structure | Dual-Flapper |
| Application | Spice jars, seasoning bottles |
| Supply Type | OEM / Bulk manufacturing |
Structure Design
In the Spice Jar Sifter Caps, the dual-flapper structure is developed to support controlled dispensing while maintaining mechanical stability during repeated opening and closing. Each flapper is formed with consistent thickness and controlled hinge tolerance to ensure smooth movement and reliable positioning during use. This structural configuration helps separate pouring and sifting functions, allowing flexible application across different spice types without adding unnecessary complexity to the cap assembly.
From a manufacturing perspective, the dual-flapper design is optimized for injection molding accuracy and assembly efficiency. The flapper components are engineered to align precisely with the cap body, reducing deformation risk during molding and minimizing variation between production batches. This structure also supports stable performance on automated filling and capping lines, making it suitable for long-term bulk production and standardized spice packaging systems.
Certifications
Material & Molding Process
The Spice Jar Sifter Caps are manufactured using plastic materials selected for stable molding behavior and consistent performance in spice packaging applications. Material selection focuses on flow stability during injection, dimensional repeatability, and suitability for long-term contact with dry food products. This approach helps ensure uniform wall thickness and reliable formation of fine structural details such as sifter holes and hinge areas.
During the injection molding process, controlled temperature and pressure parameters are applied to maintain dimensional accuracy across production batches. The mold design is optimized to reduce internal stress and deformation, particularly around the flapper hinge zones and threaded areas. Post-molding inspection is carried out to verify surface finish, structural integrity, and assembly compatibility, supporting efficient downstream assembly and stable large-scale production.
After-Sales Service
We provide structured after-sales support to ensure stable cooperation and consistent product performance. For each bulk order, we track production batches and maintain records of material and molding parameters, which allows us to quickly identify and address any functional or dimensional issues reported by clients. Replacement or corrective measures are applied according to the agreement, focusing on resolving the issue efficiently without disrupting ongoing supply.
Our after-sales approach also includes technical consultation for assembly, packaging, and integration with client filling lines. We maintain open communication channels to support troubleshooting, quality verification, and minor adjustments after delivery, ensuring that our clients can maintain consistent packaging standards and uninterrupted operations across multiple batches.
FAQ
Q: What is the minimum order quantity (MOQ) for bulk orders?
A: MOQ depends on whether the order is standard or customized. Standard 38mm sifter caps usually have a lower MOQ, while customized colors, logos, or hole layouts require higher quantities for mold setup.
Q:Can you provide samples before bulk production?
A: Yes, we can provide samples for specification verification. Sample lead time depends on whether the item is standard or requires customization.
Q:Do you offer color customization or private labeling?
A: Yes, both cap color and logo printing can be customized. Color matching is done based on confirmed Pantone or RAL codes.
Q:What is the lead time for bulk production?
A: Lead time depends on order quantity and customization. Standard orders usually take less time, while customized orders require additional mold confirmation and testing.
