KN-1721R: Fully-Automatic WAT Case Sealer for High-Efficiency Carton Packaging     When it comes to scaling up carton sealing in modern packaging lines, the KN-1721R Fully-Automatic WAT Case Sealer offers an efficient, reliable, and eco-conscious solution. Designed to handle high-frequency workflows, it automates the sealing process using water-activated tape (WAT), ensuring consistent application and minimal operator intervention.   Core Features Based on Product Specs   Supports Multiple Tape Core Sizes: Compatible with 38 mm, 48 mm, and 76 mm (1.5", 2", 3") tape cores.   Handles Large Tape Rolls: Accommodates tape diameters up to 500 mm (19.7 inches), reducing tape change frequency.   Fully-Automatic Adjustments: Automatically detects and adjusts to the height and width of cartons, enhancing speed and adaptability for variable box sizes.   Dual-Side Sealing Capability: Applies tape to both the top and bottom of the case simultaneously, improving sealing integrity.   Application Use The KN-1721R is ideal for packaging lines that demand:   High sealing throughput   Minimal manual adjustment   Use of eco-friendly starch-based kraft paper tapes   Compatibility with automated packing and loading systems   Pair It with Our Sustainable Tape Range to maximize its potential, pair the KN-1721R with our reinforced or non-reinforced water-activated tapes, including:   JLN-8140 / KN-3140 (fiberglass reinforced)   JLN-39150 / KN-3160E (plant-based yarn reinforced, 100% degradable)   JLN-870 / KN-370 (non-reinforced paper tape)   These starch-based adhesives and kraft backings align with modern sustainability goals, providing a secure, tamper-evident seal that is fully recyclable.   Summary of Benefits   Fully automatic height & width adjustment   Reduced labor input and setup time   Designed for WAT application   Consistent and clean sealing   Compatible with large tape rolls and multiple tape widths   Ready to Automate Your WAT Sealing?   The KN-1721R delivers a dependable solution for businesses aiming to combine automation, flexibility, and eco-responsibility. Contact us to learn how this model can integrate into your packaging line.    Reach out for specifications, drawings, or a quote today.

KN-1717U Semi-Automatic Water-Activated Tape Case Sealer An Efficient Solution for Multi-Size Carton Sealing     In packing operations where carton sizes frequently vary and multiple product categories are shipped, manual sealing often leads to unstable closures and inconsistent efficiency. The KN-1717U semi-automatic case sealer from JL3 is designed to address these challenges. With stable tape output, flexible size compatibility, and user-friendly operation, it helps businesses establish a greener, more efficient sealing workflow.   Engineered with a modular structure, KN-1717U accommodates a wide range of carton sizes. It delivers high sealing strength and clean tape application—ideal for medium-volume packaging in industries such as e-commerce, electronics, food, and personal care. The use of water-activated tape ensures strong adhesion and tamper resistance while supporting the shift toward plastic-free, eco-friendly packaging.   Key Features: – Manually adjustable for varying box widths and heights – Seals with water-activated tape: strong hold, tamper-evident, eco-conscious – Integrated output, cutting, and application system for streamlined operation – Accurate tape dispensing minimizes waste and ensures sealing consistency – Intuitive control panel—easy for operators to learn and use – Compact footprint with a stable structure, easy to integrate into packing stations   Ideal Applications: – Mixed-size order packing lines for e-commerce platforms – FMCG sectors such as personal care, food, and publishing – Workflows with variable box sizes and small-to-medium output volumes – Warehouses requiring clean, professional, and environmentally compliant sealing – Sustainability-focused packaging upgrades for branded shipments   Recommended Tape Pairings: – JLN-39140 – JLN-8140 – JLN-870   The KN-1717U is a versatile option in JL3’s semi-automatic equipment lineup—ideal for operations with high packing frequency and dynamic workflow, but not yet fully automated. It strikes the balance between sealing quality, eco-compliance, and operational efficiency, making it an essential step in upgrading your packaging process.   Contact us to request machine specifications or sample test runs. JL3 is ready to provide a tailored, eco-friendly case sealing solution for your packaging line.   Email: info@jl3tape.com Phone: +86-592-207-5506  

JLN-39160 Water-Activated Tape – A New Sustainable Choice for Carton Sealing     As the global packaging industry shifts toward low-carbon and plastic-free solutions, companies are no longer focused solely on performance—they also prioritize sustainability and recyclability. JL3’s JLN-39160 water-activated tape is crafted from fully biodegradable materials, combining sealing strength with a deep commitment to eco-friendly packaging.   This tape features a natural kraft paper backing, plant-based starch adhesive, and reinforced plant fiber threads. It contains no plastic components and can be recycled together with cardboard cartons or naturally decompose under appropriate conditions. Once applied, it forms a strong fiber-to-fiber bond with the carton surface, offering excellent sealing strength and tamper resistance—making it an ideal green packaging solution for e-commerce, manufacturing, food, export, and more.   Key Features:   100% biodegradable materials, compliant with environmental regulations and export standards   Forms a strong bond with cartons quickly after water activation   Non-reusable once sealed, offering built-in tamper evidence   Plastic-free and residue-free, suitable for full recycling or composting   Secure adhesion with clean, professional sealing appearance   Application Scenarios:   Eco-friendly sealing solution for e-commerce platforms   Outbound packaging for food, cosmetics, and consumer goods   Plastic-free export packaging compliance   Green packaging upgrades for retail brands   ESG compliance and supply chain carbon reduction initiatives   Recommended Equipment:   Manual Dispensers: KN-166, KN-266   Electric Dispensers: KN-366H, KN-366HL   Fully Automatic Machines: KN-1721R   JLN-39160 is one of the most balanced models in JL3’s standard eco-friendly water-activated tape series, offering excellent compatibility for a wide range of light- to medium-duty corrugated carton sealing tasks. When paired with JL3’s smart dispensing systems, it enables packaging operations to achieve both environmental goals and automation efficiency.   Contact us for samples, technical data, or custom specifications. We’re ready to support your packaging system with solutions that are more sustainable, more efficient, and more reliable.   Email: info@jl3tape.com Phone: +86-592-207-5506

JLN-2740H Self-Adhesive Kraft Paper Tape – A Convenient and Eco-Friendly Sealing Solution     In fast-paced packaging environments, a tape that requires no water activation and can be torn and applied by hand offers a major boost in sealing efficiency. JL3’s JLN-2740H self-adhesive kraft paper tape features a premium kraft paper backing combined with a pressure-sensitive adhesive system. It delivers strong, reliable sealing and easy operation, making it ideal for everyday carton packaging tasks.   With a smooth surface and excellent adhesion, the tape applies cleanly and securely without any activation steps—just press to stick and tear to use. Its practical structure and clean appearance make it particularly suited for lightweight packaging applications where operational speed and professional presentation are key.   Key Features:   Self-adhesive design, ready to use without water activation   Durable kraft paper backing, offering strong tensile strength and bonding performance   Writable surface, supports direct labeling with marker pens for batch or product identification   Clean sealing and stable adhesion, suitable for various corrugated carton surfaces   Tamper-resistant, cannot be removed cleanly after application, helping deter tampering   Recommended Applications:   E-commerce packaging, daily goods, and small appliance carton sealing   Supermarket and retail reverse logistics packaging   Light industrial products, apparel, and accessories packaging   Custom brand packaging and green sealing upgrades   Eco-friendly alternative to clear plastic tape in sustainable packaging systems   Best used with:   Hand-tear operation or standard tape dispensers   Surface printing available for logos, warning messages, or eco labels   As a flagship product in JL3’s self-adhesive tape series, JLN-2740H offers consistent performance in routine shipping, fast sealing, and branded packaging. It is a practical and economical choice that also delivers a clean, professional look.   Contact us for samples or customization services. We’re ready to support your packaging process with faster, greener, and more efficient material solutions.   Email: info@jl3tape.com Phone: +86-592-207-5506

JLW-396FR Flame-Retardant Tape — Engineered for Demanding Aerospace Applications   In the aerospace industry, materials must go beyond strong adhesion—they must also meet stringent standards for temperature resistance, flame retardancy, and protective performance. JL3’s JLW-396FR flame-retardant tape is purpose-built for these critical conditions. It effectively protects cabin and cargo hold surfaces from scratches caused by shifting baggage and freight.     JLW-396FR is also suitable for bonding aircraft interior carpets or for use in cargo compartments and general maintenance. This tape offers excellent temperature and aging resistance and complies with multiple flame-retardant certification standards.   Key Features:   Stable flame-retardant performance, meeting high-level fire suppression requirements   High bonding strength, compatible with composite materials, metals, plastics, and more   Excellent heat resistance, helps prevent the spread of flames   Flexible tape body, easily conforms to irregular surfaces for convenient application   Conclusion:   When the standard goes beyond adhesion to encompass safety, efficiency, and performance under extreme conditions, JLW-396FR rises to the challenge. JL3 is committed to delivering professional, durable, and safety-focused tape solutions for critical industries.   Contact us for samples and technical data. We’re here to support your high-spec application needs with reliable expertise.    Email: info@jl3tape.com  Phone: +86-592-207-5506

KN-266 Manual Water-Activated Tape Dispenser: Reliable Efficiency for Everyday Sealing   Not every sealing application requires an electric device. For low-volume operations, limited workspaces, or flexible workflows, a manual dispenser offers the most reliable and practical solution. The KN-266 Manual Water-Activated Tape Dispenser by JL3 is specifically designed for such scenarios.     Compact yet durable, KN-266 delivers smooth tape feed and clean cutting results. It accommodates various widths of water-activated tape and ensures efficient, consistent performance. With its robust construction and no power requirement, it is ideal for long-term use with minimal maintenance and low upfront investment.   Key Features: – Sharp blade and smooth feed for clean, straight cuts – No electricity required—highly adaptable to any packing environment – Consistent wetting performance for full tape activation and strong adhesion – Space-saving, compact footprint for easy relocation and flexible setup – Simple operation and low maintenance—ideal for frontline staff   Ideal For: – Daily small-batch shipping for e-commerce sellers – Trade shows, sample packaging, or temporary packing areas – Small studios, courier points, and urban micro-warehouses – Manual sealing stations in green packaging systems – Basic tool for replacing conventional plastic tape solutions   Recommended Tape Pairings: – JLN-8150 – JLN-8750 – JLN-39140 – JLN-39150   Compatible with light to medium-grade WAT, KN-266 also works seamlessly with JL3’s 100% biodegradable tape series, helping businesses build a low-carbon, eco-conscious, and flexible sealing process. As one of JL3’s core manual dispenser models, it strikes an effective balance between cost control and operational versatility.   For samples or configuration advice, feel free to reach out. JL3 offers a full suite of packaging support—from tape materials to sealing equipment.   Email: info@jl3tape.com Phone: +86-592-207-5506

JL3 water-activated kraft paper tape is made with eco-friendly ingredients and a fully biodegradable structure—ideal for plastic-free sealing and compliance with global green packaging standards.     As industries worldwide accelerate their shift toward greener packaging and plastic reduction, the demand for sustainable materials continues to rise. JL3’s 100% biodegradable water-activated tape is crafted from natural kraft paper and plant-based starch adhesive, completely free of plastic. Once applied, it can be recycled along with the carton or naturally decompose under proper conditions, making it a key component in fully eco-friendly packaging systems.   This tape series retains the core benefits of WAT—including strong adhesion, tamper evidence, and clean sealing appearance—while fully meeting compostability, biodegradability, and regulatory requirements. It is suitable for daily packaging and branded sealing in export, e-commerce, food, and personal care industries.   Key Advantages: – 100% plastic-free and fully biodegradable – Seamlessly recyclable or compostable with cardboard cartons – Plant-based adhesive, environmentally safe and odor-free – Strong, permanent seal with tamper-evident functionality – Printable surface for custom branding and usage instructions   Typical Applications: – Eco-friendly packaging alternative for retail and e-commerce brands – Sustainable packaging systems for food, cosmetics, and other consumer goods – Export cartons requiring compliance with EU/North America green regulations – Packaging material upgrades in corporate ESG and sustainability programs   Recommended Models: JLN-39140   JLN-39150   JLN-39160   JLN-39151 (white on one side)   JLN-39152 (fully white)   KN-3703E   KN-3705E   KN-37120E   The JLN series is ideal for standard carton sealing operations, while the KN series features enhanced adhesive performance for applications requiring stronger bonding. All models are fully compatible with JL3’s manual, electric, or automatic WAT dispensers—enabling a smooth transition toward plastic-free and automated sealing workflows.   As a provider of comprehensive green packaging system solutions, JL3 is committed to helping businesses reduce packaging carbon footprint, improve environmental compliance, and strike the right balance between efficiency, cost, and usability.   Contact us to request samples or explore custom recommendations. Together, we can build a more sustainable, efficient, and professional future in packaging.   Email: info@jl3tape.com Phone: +86-592-207-5506

As the global packaging industry continues to move toward greater sustainability and automation, businesses are increasingly focused on how to reduce material waste while improving operational efficiency. For many, packaging is no longer just about cost—it’s a critical component of their environmental and process performance strategies.   JL3, a specialized packaging solutions provider, offers an integrated system that combines eco-friendly tape materials with intelligent dispensing equipment, helping clients achieve greener, more efficient, and future-ready sealing operations.   Our offerings cover a wide range of environmentally conscious tape products and high-performance industrial tapes, supported by a full line of manual, semi-automatic, and automatic tape dispensers—catering to packaging needs from manual stations to automated production lines. JL3 products are widely used across e-commerce logistics, industrial shipping, and manufacturing sectors.     Core Product Categories:   1. Water-Activated Tape Series Crafted from kraft paper and plant-based starch adhesive—completely plastic-free and biodegradable. These tapes deliver strong adhesion and environmental compliance for e-commerce, export, and sustainable packaging projects. Available in light-, medium-, and heavy-duty options with custom print capabilities. Key Models: JLN-8150, JLN-8750, JLN-8780, KN-37120E, JLN-39150 (100% biodegradable)   2. Recycled Paper Tape Series Made from recycled kraft paper while maintaining reliable sealing performance. Ideal for cost-sensitive users who still prioritize environmental responsibility. Key Models: JLN-8151R, JLN-8140R, KN-3150R   3. Filament Tape Series Reinforced with fiberglass or synthetic fibers for high tensile strength and tear resistance. Perfect for appliance securing, industrial bundling, and heavy-duty applications. Color and branding customization available. Key Models: JLT-602, JLT-695, JLT-6614, JLW-396FR (flame-retardant aviation tape)   4. Double-Sided Tape Series Engineered for strong bonding and clean removal. Widely used in material lamination, flooring installation, and automotive interiors across light industrial and construction sectors. Key Models: JLW-313, JLW-315, JLW-316BG   5. WAT Dispensers & Carton Sealing Machines A full lineup of manual, electric, and fully automated water-activated tape dispensers, designed to improve tape handling efficiency and sealing consistency. Suitable for both small-scale packing and large-scale production environments. Key Equipment: KN-166 (manual pull), KN-266 (manual lever), KN-366H (electric), KN-1721R (automated sealing), KN-355A/B (smart sealing systems)   With this comprehensive product ecosystem, JL3 delivers end-to-end solutions from green materials to intelligent automation, enabling companies to optimize sealing processes, reduce costs, and cut packaging-related carbon emissions.   Contact us...

KN-366HL Water-Activated Tape Dispenser - Designed for Larger Roll Capacity and Fewer Replacements — Keep Your High-Volume Packing Flowing     In high-frequency shipping and batch packaging environments, frequent tape roll changes can slow down operations and reduce efficiency. JL3’s KN-366HL water-activated tape dispenser is purpose-built for Perfect match for plastic-free kraft WAT sealing solutions. Its expanded structure accommodates oversized tape rolls, significantly extending continuous run time while minimizing changeovers and operational interruptions.   Equipped with an intelligent dispensing system, KN-366HL ensures precise tape length control, smooth feeding, and clean cuts—making it the ideal balance of performance, ease of use, and output efficiency.   Key Features: Large-format structure supports bigger tape rolls, reducing replacement frequency   Stable dispensing system enables uninterrupted tape feed   Programmable length settings adapt to various carton sizes   Clean, even cutting enhances package consistency and appearance   Durable construction, built for long-term, high-volume use   User-friendly interface allows quick onboarding for operators   Application Scenarios:   High-throughput sealing in e-commerce fulfillment centers   Centralized packing stations in manufacturing plants   Continuous-use environments in warehousing and logistics   Perfect match for plastic-free kraft WAT sealing solutions   This model is compatible with the full JL3 lineup of water-activated tapes and supports larger-diameter, longer-length rolls. With its high-capacity design, stable performance, and operator-friendly controls, the KN-366HL delivers efficient and eco-conscious sealing—making it a trusted tool for demanding logistics and industrial workflows.   Contact us for detailed specifications, compatible tapes, or technical support. We’ll help you upgrade your packaging process with a reliable, high-efficiency solution.   Email: info@jl3tape.com Phone: +86-592-207-5506