PEPHAWK employs two primary methodologies for silicone product manufacturing, ensuring we can meet diverse client needs in terms of complexity, volume, and cost-effectiveness:

1. Solid Silicone Compression Molding: This traditional and robust method is ideal for a wide range of silicone products, including many of our standard labels and patches. The process involves:

   • Material Compounding: Raw silicone is mixed with curing agents (typically peroxide-based for this method) and other additives.

   • Calendering/Pre-forming: The compounded material is processed to achieve uniform thickness and consistency.

   • Cutting & Weighing: The material is precisely cut and weighed to ensure the correct amount for each mold cavity.

   • Molding: The pre-formed silicone is placed into a heated mold under pressure, where it cures and takes the shape of the mold.

   • De-flashing: Excess material (flash) is trimmed from the molded parts.
     This method is well-suited for cost-efficient production of less complex, high-volume silicone items.

2. Liquid Silicone Rubber (LSR) Injection Molding: This advanced technique is employed for high-precision, intricate designs, and applications demanding superior cleanliness and material purity – often preferred for premium sublimatable patches requiring exceptional surface quality.

   • LSR utilizes a two-component, platinum-cured silicone system, delivered in sealed containers.

   • The material is directly injected into the mold via an automated injection molding machine.

   • The entire process is closed-loop, minimizing manual intervention and contamination risks.

   • Platinum curing ensures excellent biocompatibility and environmental friendliness, making it ideal for high-specification products.

Our Meticulous Production Workflow for Silicone Labels & Sublimatable Patches:

Regardless of the specific molding technique chosen based on product requirements (though the following steps are particularly detailed for the compression molding often used for patches), PEPHAWK adheres to a stringent, quality-driven production workflow:

1. Artwork Design & Digitization:

   • We begin with your design specifications. If you provide a sample, we'll replicate its dimensions and features.

   • Alternatively, our in-house design team can collaborate with you to create custom artwork based on your requirements. We offer professional design and rendering services to bring your vision for sublimatable patches and labels to life.

2. Mold Creation (Tooling):

   • Based on the approved artwork, our skilled tooling engineers develop precise G-code programming.

   • Molds are meticulously crafted in-house using advanced CNC (Computer Numerical Control) machining.

   • For highly intricate designs or fine details, EDM (Electrical Discharge Machining) with copper electrodes may be employed to achieve superior mold definition.

3. Color Matching & Material Compounding:

   • We achieve precise color matching according to the Pantone Matching System (PMS) or your specific color standards.

   • Our technicians compound the silicone with pigments, aiming for a color consistency of 98% or higher against the approved color swatch before mass production. This is crucial for achieving vibrant and accurate colors on sublimatable patches.

4. Material Selection & Verification:

   • We exclusively use eco-friendly, high-grade silicone materials.

   • Clients can select from a range of hardness levels (typically 30 to 70 Shore A durometer) to suit the application's flexibility and durability requirements. All materials are verified for compliance before use.

5. Molding & Production:

   • The prepared molds are installed onto our production machines, which are then heated to the optimal curing temperature.

   • Once parameters are set, our efficient molding process can achieve significant output, for example, approximately 100,000 pieces per machine per day, depending on the size and complexity of the label or patch.

6. In-Process Quality Control (IPQC) & Initial Inspection:

   • As products are demolded, our workshop quality personnel conduct immediate inspections to identify any molding defects or inconsistencies, ensuring early detection of any issues.

7. De-flashing & Trimming:

   • Following initial QC approval, the molded parts are transferred to the finishing department.

   • Here, any excess silicone flash is carefully removed, and edges are trimmed to achieve a clean, finished appearance. This step is critical for the aesthetic quality of the final sublimatable patches.

8. Final Quality Assurance (FQA):

   • The trimmed and finished products undergo a comprehensive final inspection by our dedicated QA department.

   • This stage verifies the trimming quality and checks for any remaining defects. Any products not meeting our stringent standards are flagged for rework or rejection.

9. Packaging:

   • Once products pass FQA, they are packaged according to client specifications. We offer various packaging solutions to ensure product integrity during transit and meet retail presentation needs.

10. Pre-Shipment Inspection & Warehousing:

    • A final check is conducted after packaging and before cartons are sealed.

    • Completed orders are then transferred to our warehouse, ready for dispatch to our valued clients worldwide.