Zhejiang Minxing Packaging Materials Technology Co., Ltd.

Today, we conducted an on-site factory audit for clients, capturing key areas to offer transparency. We photographed the factory gate (secure), premises (well-managed), office building (efficient), and workshop (advanced, safety-focused). Warehouses—auxiliary, finished, raw—are organized, ensuring smooth supply.  Thermoforming, Die-cutting, packaging lines and inspection show precision. The testing lab (state-of-the-art) guarantees quality.  The exhibition hall highlights product range and innovation. This audit strengthens client trust through clear insights into facilities and processes.

Thermoforming: Principles, Advantages, and Disadvantages in Blister Packaging In the realm of packaging technology, thermoforming stands out as a pivotal process, especially for blister packaging solutions. This advanced manufacturing method, also known as vacuum forming or pressure forming, has revolutionized how products are packaged, from tiny pill blisters to large industrial components. Let’s delve into its core principles, advantages, and drawbacks to understand why it’s a game-changer in the packaging industry. What Is Thermoforming? How Does It Work? Thermoforming is a thermal processing technique that shapes thermoplastic materials into desired products under high temperatures. Often referred to as "deep drawing" in common terms, its core principle relies on heat, pressure, and mold precision to transform flat thermoplastic sheets into three-dimensional structures. The key steps of the thermoforming process are as follows: 1. Heating: The thermoplastic sheet is heated to its elastoplastic state, reaching a temperature where it can be reshaped.2. Molding: Using a thermoforming mold, the heated sheet is shaped with the help of vacuum (negative pressure) or compressed air (positive pressure).3. Cooling: The formed product is cooled under pressure until it stabilizes in shape.4. Demolding: The solidified product is removed from the mold.5. Post-processing: Additional steps like cutting, welding, coating, or metal plating may be applied to refine the final product. The thickness distribution of the finished product depends on the stretch ratio of the original sheet, while precision is influenced by the material’s heat resistance and pressure between the sheet and mold. Advantages of Thermoforming in Packaging 1. Versatility in Material and Thickness It can use high-melt-viscosity sheets to produce ultra-thin products (e.g., blister packs) that injection molding struggles with—even for materials that would require extremely low-viscosity resins in injection processes. Sheets range from 0.05mm to 15mm, and up to 60mm for foam materials.2. Flexibility in Product Size From micro-sized packaging (e.g., pill blisters, button battery cases) to large items (e.g., 3–6m garden ponds), thermoforming handles diverse dimensions cost-effectively.3. Superior Material Properties with Multi-Layer Sheets Multi-layer thermoplastic sheets enable products with enhanced features: anti-bending, anti-cracking, high surface gloss, soft touch, anti-slip, sealability, UV resistance, and barrier properties. Adhesive layers can address poor adhesion between layers.4. Cost-Efficiency   - Lower mold costs compared to injection molding, as only one side of the mold contacts the sheet.   - High production rates for thin-walled products, supported by modular machine designs that adapt to production needs.   - Recyclable waste: Scrap and edge trimmings are collected, crushed, and reused in sheet manufacturing, reducing material waste.5. Adaptability to Special Materials It processes foam, fiber-reinforced plastics, textile-coated thermoplastics, and pre-printed sheets, expanding application possibilities. Disadvantages of Thermoforming 1. Higher Sheet Costs Unlike injection molding, which uses raw plastic pellets directly, thermoforming requires pre-processed sheets or rolls—adding extra production steps and costs.2. Limited Precision on One Side Since only one side of the sheet contacts the mold, the product’s geometry and texture are only precisely replicated on the mold-facing side, which may restrict applications needing high precision on both surfaces. Why Choose Thermoforming for Packaging? In packaging, thermoforming has no equal except for paper-based materials. It outperforms injection or blow molding in cost, flexibility, and adaptability—especially for thin-walled, small-to-large-sized, and multi-functional packaging needs. As technology advances, thermoforming is becoming more automated with sensor and control systems, while the rise of affordable bioplastics further strengthens its role in sustainable packaging. For businesses seeking efficient, cost-effective, and versatile packaging solutions, thermoforming remains the top choice in modern manufacturing.

Minxing Packaging adheres to crafting every product with care, boasting 36 years of dedicated expertise in the blister packaging industry.  As the company's leader emphasizes, "Only when customers are satisfied, employees are happy, and shareholders are assured can an enterprise achieve true long-term prosperity." This philosophy has guided its steady growth, blending craftsmanship with a people-centric approach to foster enduring success in the sector.

A Cosmetic PVC Tray is a popular packaging solution in the beauty industry, typically made from Polyvinyl Chloride (PVC) plastic. These trays are designed to hold and organize cosmetic products securely while enhancing visual appeal. Here are the key benefits: Benefits of Cosmetic PVC Trays: 1. Durability & Protection PVC is sturdy and resistant to impact, preventing damage to delicate cosmetics (e.g., powders, compacts, lipsticks). Provides a stable base, reducing the risk of spills or breakage during transport. 2. Clarity & Product Visibility Transparent PVC allows customers to see the product clearly, improving shelf appeal. Enhances the perceived value of high-end cosmetics. 3. Customizable Design Can be molded into various shapes (rectangle, round, oval) to fit different products (eyeshadow palettes, blushes, skincare sets). Options for frosted, glossy, or matte finishes for a premium look. 4. Lightweight & Cost-Effective Cheaper than glass or acrylic alternatives while maintaining a luxurious feel. Reduces shipping costs due to its lightweight nature. 5. Secure & Tamper-Resistant Often used with PVC or PET blister covers to prevent product tampering. Ideal for testers and sealed retail products. 6. Compatibility with Inserts Can include foam, plastic, or paper inserts to hold products in place (e.g., lipsticks, brushes, compacts). Helps in organizing multi-piece cosmetic sets. Common Uses: ✔ Makeup: Eyeshadow palettes, compacts, lipstick holders ✔ Skincare: Cream jars, serum bottles ✔ Travel Kits & Gift Sets ✔ Retail Displays & Testers Potential Drawbacks: Environmental concerns: PVC is not biodegradable and can be difficult to recycle (though some brands use phthalate-free or recycled PVC). Less premium than acrylic or glass for luxury brands. Alternatives: PET Trays (more recyclable, eco-friendly) RPET (Recycled PET) Biodegradable PLA Trays (for sustainable brands)