Product Introductions
Dual Flapper Spice Cap is produced in our factory through precision injection molding using food-grade polypropylene. During production, melt temperature, injection pressure, and cooling cycles are controlled to maintain dimensional stability and hinge strength. The dual-opening structure combines five evenly distributed shaker holes on one side and a larger flip opening on the other, allowing both controlled dispensing and direct pouring. Mold design focuses on balanced wall thickness and optimized gate positioning to reduce shrinkage and ensure consistent roundness. The snap-fit and thread engagement are calibrated to match standard 63mm bottle neck finish, providing stable torque and secure closure suitable for automated capping lines.
To improve long-term durability, the flapper hinge is reinforced with structural ribs, and the sealing surface is stabilized after molding to enhance fitting accuracy. Each batch undergoes torque testing and compatibility checks with 63mm containers to verify assembly performance. This cap is designed for dry applications such as pepper powder, salt, blended seasonings, dried herbs, and other free-flowing spices, and is not suitable for liquid or high-moisture products.
Product Parameters
| Parameter | Description |
|---|---|
| Model | C5-063M |
| Material | Food-grade PP (custom material available) |
| Size | φ63mm |
| Type | 5 holes dual-flapper |
| Color | Customizable |
Quality Control
Quality inspection for Dual Flapper Spice Cap is carried out throughout the entire production cycle, starting from incoming raw material verification. Each batch of polypropylene is checked against supplier compliance documentation and subjected to basic melt flow index confirmation to ensure it meets food-contact requirements and maintains stable molding performance. During production, critical dimensions such as outer diameter, inner snap-fit depth, hinge thickness, and hole diameter are measured using calibrated gauges to control tolerance within specified limits.
Thread compatibility tests are conducted using standard 63mm reference bottles to verify proper engagement and seating height. Torque testing is performed after assembly to confirm that the cap achieves secure closure without excessive tightening force. The flapper hinge undergoes repeated opening and closing cycle checks to assess structural durability, while random sealing inspections are conducted to detect potential gaps or deformation. Inspection data for each batch is recorded and archived for traceability, allowing production parameters and material lots to be tracked when necessary.
Certifications
Application Scenarios
Dual Flapper Spice Cap Wholesales is developed primarily for standardized spice bottle packaging lines where consistent neck fit and controlled dispensing are required. The cap structure is matched to common 63mm seasoning jar specifications and is widely applied as a lid solution for pepper powder containers and blended spice jars. In production, we align the cap dimensions with mainstream bottle neck tolerances used in retail spice packaging to reduce assembly deviation during high-speed capping operations.
This structure is also used in food ingredient packaging where dry granular or powdered contents need controlled flow through shaker holes or a larger pouring outlet. The internal geometry and dispensing hole layout are designed specifically for free-flowing materials, ensuring smooth output without clogging under normal humidity conditions. The cap is intended for dry product applications only and is not recommended for liquid, oil-based, or high-moisture contents.
After-Sales Service
ForSpice Cap Manufacturer, if a confirmed quality issue occurs, we first review the retained production samples and corresponding process records from the same batch. Replacement goods or reasonable compensation can be arranged based on actual inspection results and contractual terms. All feedback is transferred directly to our production and tooling departments for technical analysis, including review of molding parameters, cooling time control, hinge thickness consistency, and thread tolerance data.
After identifying the root cause, corrective adjustments are implemented in subsequent production runs, such as modifying injection pressure range, refining mold venting, or recalibrating dimensional checkpoints. Each batch of caps is logged with raw material lot number, molding date, machine number, and inspection records, allowing full traceability when verification is required.
FAQ
Q: What is the MOQ for bulk orders?
A: MOQ depends on whether it is a standard version or customized version. For regular production colors, MOQ is relatively lower. Custom colors or logo printing require higher minimum quantities.
Q:What is the typical production lead time?
A: Standard orders usually require 15–25 days after deposit confirmation. Lead time may vary depending on quantity and customization complexity.
Q:Do you provide samples before bulk production?
A: Yes. Existing samples can be sent for testing. Customized samples require production arrangement and sample confirmation before mass order.
Q:How do you ensure quality consistency across repeated orders?
A: Production follows standardized processes, and key dimensions and materials remain consistent for repeat orders.
