We specialize in manufacturing Permanent Bag Sealing Tapes, designed for secure, one-time-use applications such as courier bags, security packaging, and confidential envelopes. These tapes provide irreversible sealing - once applied, the seal cannot be reopened without visible damage, ensuring package integrity throughout transit and storage.
The tape cannot be removed without damaging the bag or the seal, offering reliable protection against tampering and unauthorized access.
Engineered for excellent tack and holding strength across a wide range of film materials, ensuring secure sealing during transportation and handling.
Available in multiple adhesive layer formats to suit different bag designs and sealing processes.
All materials comply with international safety and environmental standards, making the tapes suitable for global use.
We produce our own PET release films, PP films, and silicone coatings, which enables us to have complete control over product consistency and performance. This integrated production approach significantly enhances cost-efficiency for our customers.
Our team are designed to improve productivity and develop automated manufacturing processes, improving production efficiency and reducing downtime.
Our large-scale production capacity enables fast response to urgent orders while maintaining consistent product quality and short lead times.
Every product batch undergoes thorough third-party testing and certification to ensure compliance with international standards and overall reliability even high volume.
To machine consistent performance in varying climates, we use season-specific adhesive systems. This ensures reliable and durable adhesion across a wide range of conditions.
With multiple layer, super coating films, we ensure adhesive uniformity and dimensional accuracy, supporting both manual and automated applications with consistent results.
Based on three decades of expertise, SANLIN provides customized specific packaging solutions for companies of all sizes. Our product portfolio ranges from cost-effective products to industrial-grade customized production systems, optimally utilizing the packaging needs of all global paper applications.
Yes. Our tapes use season-specific adhesive formulations:
This ensures consistent sealing performance in both high and low temperatures, preventing issues like glue softening or brittleness.
Yes. Our tapes are manufactured with precise dimensional tolerance and stable release properties, making them fully compatible with high-speed automatic sealing and cutting machines. This ensures smooth operation and reduces machine downtime.
Our team can assist you in selecting the most suitable tape based on your bag material (e.g., PE, OPP, CPP), application scenario (e.g., secure or reusable), and operating environment. Samples and technical support are available to help with testing and validation.