Explore our advanced technological solutions including cross-linked, antibacterial, and high-shrinkage films engineered for global distribution.
Zhongshan Tianchen New Materials Co., Ltd. is a leading enterprise combining decades of expertise with raw material supply excellence.
Zhongshan Tianchen New Materials Co., Ltd. – Your One-Stop Packaging Material Procurement Platform.
Established on the foundation of extensive industry experience, Tianchen is driven by a commitment to resource integration and addressing customer needs, ensuring that it offers the finest solutions for diverse packaging requirements. As a one-stop packaging material procurement platform established on the basis of more than 20 years of experience in the film packaging industry, we act as a comprehensive hub supporting domestic manufacturing and international distribution networks.
At Tianchen, We have a professional production, research and development and sales teams, so quality control is taken very seriously. The modern quality control system implemented within the company ensures that all products meet the customer’s standards. This commitment to quality, combined with large-scale production capabilities, has garnered significant favor and trust from customers. The company's experienced professionals continuously work to innovate and improve product offerings, ensuring that they always deliver the best to their clients.
In a competitive marketplace, Zhongshan Tianchen New Materials Co., Ltd. stands out as a reliable partner for all your packaging material needs. As a one-stop packaging material procurement platform, Tianchen combines decades of industry expertise with a passion for quality and customer satisfaction. Whether you need eco-friendly heat shrink films or durable labeling solutions, Tianchen is here to provide the best in the industry.
Addressing the complex demands of supply chain managers across North America, Europe, and Asia-Pacific markets.
Industrial applications require highly tailored transverse direction (TD) and machine direction (MD) shrinkage rates. Standard PVC wraps fail to protect complex container geometries, requiring specialized extrusion processes to control directional orientation.
For cross-continental shipments passing through equatorial regions, low-quality polymer chains experience premature shrinkage. Our formulation balances structural integrity up to 55°C, while retaining hot-shrink properties under active tunnel heating.
Modern branding requires high-definition printing. We optimize our PVC formulation with precise corona treatment levels exceeding 38 dynes/cm, ensuring zero ink bleeding and complete color adhesion on high-speed gravure lines.
Unveiling the material science behind polymer processing, stabilizing agents, and extrusion methodologies.
Polyvinyl Chloride (PVC) is inherently a rigid polymer. To transform it into a flexible, highly responsive packaging medium, our chemists utilize advanced copolymer blending processes. We utilize specific plasticizer groups (such as DOTP or specialized epoxidized soybean oils for food-contact regulatory approvals) to ensure optimal elasticity, transparency, and low-temperature flexibility.
The manufacturing process relies on the double-bubble extrusion method or the calendering process, which aligns the molecular chains of the polymer. By orienting these chains in the transverse direction (TD), we can yield shrink ratios as high as 58%, while keeping the machine direction (MD) shrinkage below 5% to prevent the label from riding up the bottle during thermal activation.
While industry alternatives like Polyolefin (POF) and PETG exist, PVC remains the material of choice for specific applications like wine bottle caps, battery sleeve insulation, and adhesive tape wrapping due to its exceptional print clarity, low activation temperature (around 80°C to 120°C), and highly cost-efficient structure.
Tianchen’s advanced PVC films are engineered with anti-static agents and slip additives, eliminating friction issues on high-speed automated packaging machinery and preventing static buildup during high-speed unwinding.
| Property / Metric | Standard PVC Film | High-Performance Custom PVC | Testing Standards |
|---|---|---|---|
| Thickness Range | 25 to 70 Microns | 15 to 120 Microns (Customizable) | ASTM D374 |
| Transverse Shrinkage (TD) | 40% - 48% | 45% - 58% (Adjustable) | ASTM D2732 (100°C water bath) |
| Machine Shrinkage (MD) | 3% - 8% | 1% - 5% (Controlled) | ASTM D2732 (100°C water bath) |
| Haze Value | < 5.0% | < 2.5% (High Clarity) | ASTM D1003 |
| Tensile Strength (TD) | > 40 MPa | > 65 MPa | ASTM D882 |
| Corona Treatment Level | N/A | ≥ 38 dynes/cm (Ready for print) | ASTM D2578 |
Navigating global regulatory frameworks, localized quality control, and international export logistics.
We ensure that all custom formulations are free of heavy metal stabilizers (lead-free, cadmium-free) and comply with strict European REACH and RoHS standards. This guarantees trouble-free customs clearance and safe final product deployment.
Our raw resins and auxiliary components are selected from certified manufacturers, meeting FDA requirements for indirect food contact. Perfect for clean-packaging sectors, including egg cartons, bottle collars, and fresh-produce multipacks.
Temperature-controlled shipping containers (reefer cargo) are utilized for standard shipments to tropical and subtropical destinations, preventing premature micro-shrinkage. Our logistics division coordinates customs paperwork and provides Door-to-Door delivery.
Detailed technical answers for packaging engineers, procurement managers, and quality controllers.
Because PVC shrink film is heat-sensitive, it must be stored in a dry, temperature-controlled environment. The ideal storage temperature is between 15°C and 25°C (59°F to 77°F). Exposure to direct sunlight or temperatures exceeding 30°C (86°F) can cause pre-shrinkage, roll blockiness (where layers stick together), or deterioration of the dynamic surface tension (corona treatment), which negatively affects printing quality.
PVC and POF serve different packaging niches. PVC film is stiffer and boasts exceptional optical clarity, making it the premier choice for printed labels, bottle neck bands (capsules), and batteries. It shrinks at lower temperatures (starting at ~80°C) with crisp edges. POF, on the other hand, is highly flexible, eco-friendly, and has greater tear resistance, making it ideal for direct food contact wrapping and irregular multi-pack items, though it requires higher shrink tunnel temperatures (130°C - 170°C).
Three key metrics dictate performance: Heat Tunnel Temperature, Conveyor Belt Speed, and Air Flow Velocity. If the temperature is too low or the speed is too high, the film will suffer from wrinkles or "dog ears." Conversely, excessive heat or long residence times in the tunnel will cause burn-throughs. Our technical engineers work closely with your production staff to calibrate these machine settings according to your container geometry and line speed.
Yes, we offer both raw rolls for independent converter factories and fully processed, custom-printed shrink sleeves. We support up to 9-color high-speed rotogravure printing. Furthermore, we customize the roll width, thickness (gauge), and transverse/machine direction shrinkage parameters to match your specific packaging design and application.
Partner with a leading manufacturer and optimize your supply chain with our specialized shrink packaging materials.
Tianchen Materials