In large-scale logistics and warehousing operations, carton sealing speed is one of the key bottlenecks determining overall throughput. Manual carton sealing is not only inefficient but also difficult to guarantee quality.   JL3 is committed to providing enterprises with reliable automation solutions to address this challenge.   Today, we will delve into JL3's KN-1717U Intelligent Carton Sealing Machine.   I. Product Positioning:   The KN-1717U is a high-performance automated carton sealing machine designed specifically for medium- to high-volume packaging needs. Unlike traditional manual sealing, the KN-1717U introduces standardized processes to your production line, ensuring that every carton is sealed at extremely high speed and with consistent quality.   II. Core Performance Advantages of the KN-1717U   1. High-Speed, Stable Sealing Capability Performance Features: The KN-1717U utilizes an electric conveyor belt and a precise tape application system, enabling it to complete the sealing operation of the top or bottom of cartons at a constant and extremely fast speed.   2. Strong Size Adaptability   Features: The machine is designed with flexible adjustable side rails and a height adjustment mechanism, allowing for quick adaptation to carton sizes of varying widths and heights.   3. Superior Tape Application Precision and Compatibility   Features: The precision tape head design ensures smooth and accurate application of tape along the carton's seam, providing reliable cutting.   4. Safe and User-Friendly Operating Interface   Features: Equipped with a touchscreen or easy-to-use control panel, providing simple troubleshooting and parameter setting functions, and meeting stringent industrial safety standards.   III. Production Line Integration: How Can the KN-1717U Integrate into Your Automation System?   The KN-1717U can function not only as a standalone sealing workstation but also seamlessly integrate into larger automated production lines:   Interfacing with Conveyor Systems: It can be easily connected to existing roller or belt conveyor lines to form a complete packaging flow.   Linked with the palletizing system: Receives weighing and labeling information from upstream and outputs sealed cartons to downstream automatic palletizers, achieving full automation.

JL3 KN-366 Water-Activated Tape Dispenser – Supporting Your Environmental Protection Efforts   Many companies are pursuing efficiency, and optimizing every step is crucial for improving it. The sealing safety and environmental friendliness of water-activated tape have made it the preferred choice for many well-known companies. However, using water-activated tape requires specialized tools.   Today, we focus on introducing our independently developed core product – the KN-366 Water-Activated Tape Dispenser. It is a key investment for your packaging team to achieve standardized and highly efficient operations.   I. Product Overview:   The KN-366 is a desktop electronic dispenser specifically designed for water-activated tapes (both standard and fiberglass reinforced). Through precise length control and uniform wetting activation, it ensures that every tape is in optimal adhesion.   What core pain points does it solve? When using water-activated tape manually, inconsistent lengths and difficulty in controlling wetting levels lead to weak adhesion or tape waste. The KN-366 perfectly solves these problems.   II. Core Functions   The KN-366 is designed with precision, efficiency, and durability in mind, aiming to truly upgrade your packaging workstation.   1. Precise Length Control and Reduced Waste   Function: Equipped with a numeric keypad and clear display, operators can accurately input the required tape length and set preset lengths. This reduces consumable costs. It eliminates the waste of "too much or too little" tape during manual cutting, ensuring that each carton uses the perfect tape length.   2. Optimized Wetting and Activation System   Function: Utilizing a constant water tank and brush head design, it ensures that the starch adhesive on the back of the tape is evenly and fully wetted, achieving optimal activation. This guarantees sealing quality. Only fully activated water-activated tape can penetrate the carton fibers to form a permanent bond. The KN-366 ensures consistent and reliable sealing, effectively reducing breakage rates caused by poor sealing during transportation.   3. Easy to Operate, Improved Work Efficiency   Function: Automatic tape feeding and dispensing; simply press a button or use a preset program to quickly obtain the required tape. Significantly improves packaging speed. Especially during peak order periods, the KN-366 can drastically reduce operator preparation time, elevating manual sealing efficiency to a new level while reducing operator fatigue.   III. Applicable Scenarios   The KN-366 is ideal for the following B2B environments:   Small to medium-sized e-commerce warehouses: Processing hundreds of orders daily, requiring fast and reliable sealing.   High-value product manufacturers: Require the use of highly secure water-activated tape to ensure tamper-proof properties are fully utilized.   Multi-workstation pa...

JL3 is a well-known company in the global logistics and e-commerce sectors. We understand that packaging is more than just "sealing"; it's a crucial element for cost control, cargo security, and brand image.   JL3 is committed to providing global businesses with efficient, reliable, and environmentally friendly packaging products and automation equipment.   We will provide you with a comprehensive overview of JL3's core product catalog to help your procurement team quickly identify the most suitable solutions.   Catalog   I. Core Adhesive Series: High-Performance Industrial Tapes, Packaging Tapes   II. Efficiency Upgrade Engine: Matching Packaging Wet Tape Dispensers   III. Production Line Automation Solutions: Intelligent Carton Sealing Equipment   I. Core Adhesive Series: High-Performance Industrial Tapes, Packaging Tapes   JL3's tape product line is based on a deep understanding of different application scenarios, offering superior adhesion and durability.   1.1 Fiberglass Tape   Product Positioning: Reinforced bundling, securing heavy goods.   Key Features: Reinforced with embedded fiberglass threads, providing extremely high tensile strength and tear resistance.   Core Value: It is an ideal alternative to traditional steel strapping or PP strapping, suitable for securing heavy or large goods, effectively reducing the risk of damage during transportation.   1.2 Kraft Paper Tape   Product Positioning: General-purpose sealing and environmentally friendly packaging.   Key Features: Made with basic kraft paper base material, reliable adhesion, neat appearance, and easy to tear by hand.   Core Value: Enhances the environmental compatibility of packaging. This tape can be recycled along with the carton without separation, making it a green alternative to traditional plastic tape and helping to improve your brand's environmental image.   1.3 Water Activated Tape (WAT)   Product Positioning: High-security, tamper-proof sealing.   Key Features: Made with starch-based adhesive, it penetrates into the carton fibers upon contact with water, forming a permanent molecular-level bond. We offer standard and 100% biodegradable models.   Core Value: Extremely high tamper-proof and secure. Once torn, the carton will leave obvious damage marks, effectively ensuring the integrity and safety of high-value goods during long-distance transportation.   II. Efficiency Upgrade Engine: Professional Packaging Tools   To maximize the performance of water-activated tape, JL3 provides matching specialized tools to ensure efficient and consistent sealing.   2.1 Water-Activated Tape Dispenser   Product Positioning: Desktop, precise, and efficient tape handling tool.   Key Features: Precisely controls the dispensing length and evenly wets the tape, ensuring optimal activation. We offer manual and electronic (electric) models to match different operationa...

Water-activated paper tape combines sustainability, security, and simplicity. It cuts plastic, drops into existing stations, and delivers a professional, tamper-evident seal with less material. For operations aiming for greener packaging without sacrificing throughput, WAT is a practical, production-ready choice.  

JL3 Heavy-Duty Tape: The Science from “Sticking” to “Staying Put     In warehouses, trucks, jobsites, or during a move, you’ll often see a roll of tape with a fibrous texture. It looks ordinary, yet it often determines whether a shipment, an appliance, or a temporary setup can survive transport and time.   This article explains the principles, materials, selection, and use of heavy-duty tape, so you can apply it correctly across four typical scenarios—industrial packaging, logistics and shipping, home moves, and construction/repair.   What Makes Heavy-Duty Tape “Heavy-Duty”?   Heavy-duty tape isn’t just “stickier” tape. It typically offers three core capabilities:   1.High tensile strength: The backing incorporates glass or polyester fibers (unidirectional or cross-weave), essentially adding “rebar” so it won’t snap under load.   2.High shear holding power: It resists slow creep under sustained load or elevated temperature.   3.Abrasion resistance and anti-splitting: It resists tear propagation when edges are pulled or abraded.   Typical structure: backing (BOPP, PET, cloth, etc.) + reinforcement fibers + pressure-sensitive adhesive (PSA) + release coating. Different combinations define its behavior and applications.   Why Does It Stick? (Three Fundamentals of Adhesion)   Contact area: A PSA needs pressure to wet out, flowing into micro-pores of substrates like corrugated board. The more complete the contact, the stronger the adhesion.   Surface energy: On low-surface-energy materials (e.g., PE, PP, waxed or oily surfaces—think nonstick pans), the adhesive struggles to wet out. Cleaning, degreasing, abrasion, or choosing a specialty adhesive is essential.   Tack–elasticity balance: The adhesive must be “syrupy” enough to grab the surface (initial tack) yet “rubbery” enough to bear load (cohesive strength). High-tack formulas aren’t always durable; ultra-durable ones may have moderate initial tack—select according to what the scenario values most.   Choosing Adhesives and Backings   Rubber-based: High initial tack, fast grab, good value; lower heat and aging resistance. Suited for general in-warehouse sealing and short-term bundling.   Hot-melt (rubber/resin-modified): Efficient to process with rapid bond-up; widely used on packaging lines.   Acrylic: Superior temperature, UV, and aging resistance—ideal for outdoor, large temperature swings, or long-term use.   Reinforcement & backing   Unidirectional fiberglass: Extremely strong along the fiber direction—good for strapping and binding.   Cross-weave fiberglass: Stable under multidirectional loads—good for heavy-carton reinforcement and H-pattern sealing.   Cloth/PET backing: Excellent tear and abrasion resistance—more abuse-tolerant for jobsi...

Water-Activated Tape vs. Ordinary Plastic Tape: A Battle of Cost, Safety, and Efficiency   Still using traditional plastic tape to seal boxes? You might not know that a smarter, more efficient alternative—water-activated tape—is quietly transforming the packaging industry.   At first glance, they appear to be just two different types of tape, but the differences behind them are far greater than you might imagine. Today, we'll conduct a comprehensive comparison to determine which tape is right for you.   1. Cost: Look beyond the price tag Many people assume that water-activated tape is more expensive than ordinary plastic tape, making it more costly. But this assumption only scratches the surface.   Ordinary plastic tape: Sealing a box often requires multiple wraps to ensure a secure seal, resulting in significant waste.   Water-Activated Tape: Its strong adhesive strength means that only one strip is needed to securely seal a box. This is because it penetrates the fiber of the box, forming a strong, permanent bond. This results in less tape used per box, resulting in lower costs per box in the long run.   2. Security: More Than Just a Strong Adhesion When it comes to security, water-activated tape is a true anti-theft tool.   Theft Prevention: Once water-activated tape is removed, visible damage is left on the carton surface, making it instantly apparent whether the package has been tampered with. This effectively prevents product theft during transit. Ordinary plastic tape, on the other hand, can be easily removed and reapplied, putting your package at risk.   Environmental Protection: Plastic tape is environmentally unfriendly and difficult to recycle. Water-activated tape, on the other hand, is typically made of kraft paper and can be recycled along with the carton, making it a more sustainable and environmentally friendly option.   3. Efficiency: From Manual to Automated For businesses with high-volume shipping, efficiency is paramount.   Ordinary Plastic Tape: While simple to use, manual carton sealing is limited in speed, especially when ordering large quantities, where efficiency can become a bottleneck.   Water-Activated Tape: While requiring a dedicated water-activated tape dispenser to wet and cut the tape, it significantly improves carton sealing speed and consistency. For businesses handling hundreds or even thousands of packages daily, a small initial investment can yield significant long-term efficiency gains and labor cost savings.   Summary: How to Choose? The type of tape you choose depends on your business needs.   If your shipping volume is low and you're very cost-sensitive, ordinary plastic tape may be sufficient.   But if you're looking to improve package security, cultivate an environmentally friendly brand image, and increase shipping efficiency, then it's time to consider switching to water-activated tape. It's more than just a roll of tape;...

Have you ever had this experience?   Walk into a stylish cafe and the waiter hands you a kraft paper bag emblazoned with the shop's logo. At Christmas, you receive a gift wrapped in plain kraft paper, tied with twine and pine cones. Or, while sorting through old belongings, you come across a yellowed kraft-covered notebook, bearing the marks of time.   Kraft paper always seems to play an unassuming yet indispensable role in some corner of our lives. It's not as glossy and colorful as coated paper, nor as colorful as fine art paper. It's simply what it is, with an innate sense of simplicity, warmth, and reassurance.   But you might not know that this seemingly simple paper is actually quite a tough guy.   The secret is in the name: the power of "Kraft." "Kraft paper" sounds impressive, but its strength doesn't come from cowhide. Its English name is Kraft Paper, and "Kraft" means "strength" in German.   The name originates from 1879, when Swedish chemist Carl F. Dahl invented a new pulping method—the sulfate process. He discovered that the pulp produced by this method had exceptionally long and strong fibers. This resulting paper possessed exceptional burst resistance and tensile strength, making it a true powerhouse in the paper industry. Thus, the resounding name "Kraft Paper" was born.   So, the next time you lift a heavy kraft paper bag and feel it securely hold its contents, remember that this sense of security is in its DNA.   From packaging to art, it's everywhere. From its inception, kraft paper's primary purpose was packaging.   Its strength makes it an ideal choice for protecting goods. From cement bags and flour sacks to the express envelopes and paper balls we use for e-commerce shopping today, even the kraft paper tape used to seal boxes, kraft paper ensures the safe arrival of our goods in the simplest of ways. Like a silent bodyguard, it's quiet yet always gets the job done perfectly.   However, the charm of kraft paper goes far beyond this.   In recent years, with the rise of environmental awareness and minimalist aesthetics, kraft paper has become fashionable. Its natural color and rough texture create a sense of down-to-earth beauty. Many brands are using it for business cards, tote bags, and menus, which is not only environmentally friendly but also conveys a genuine, unpretentious brand image.   In the handmade community, it's a favorite among creators. Whether hand-painted cards, travel journals, or gift wrapping, kraft paper easily pairs with a variety of materials—hemp rope, dried flowers, wax seals—to create a unique, warm, and rustic style.   A gentle touch on the earth In this age of environmental awareness, kraft paper is undoubtedly a top performer. First, it's generally biodegradable and recyclable. Second, compared to papers that strive for an ultra-white finish, kraft paper's manufacturing process eliminates significant bleaching steps, mean...

Future Trends in Paper Packaging: Why Will Water-Activated Kraft Paper Tape Become a Mainstream Choice? Water-activated kraft paper tape is a crucial material for businesses striving towards sustainable development and embodies environmental stewardship. Here are the advantages of water-activated tape:   100% biodegradable and fully recyclable:   As a company, we always consider issues from our customers' perspective and address potential challenges. For example, after receiving our products, customers may need to recycle the packaging. Using traditional plastic tape might require customers to remove the tape separately and then fold the carton, creating a hassle and potentially discouraging purchase. Our water-activated tape is primarily composed of kraft paper and a starch-based adhesive, both naturally derived and fully biodegradable. Unlike non-recyclable plastic tape, water-activated tape can be recycled with the cartons, eliminating the need for additional separation. This significantly simplifies the recycling process and reduces environmental impact.   Environmental Protection:   In today's global warming world, consumers are concerned about whether their consumption of natural resources is accelerating global warming. Our tape is not only biodegradable but also inherently environmentally friendly. It produces no non-biodegradable waste. Our JLN-8150R uses 100% recycled kraft paper as its backing material, further reducing the consumption of natural resources. This not only reduces our carbon footprint but also conveys a responsible, green, and environmentally friendly brand image to consumers.   Tamper-Resistant:   Product security is paramount during transportation. If packaging has been tampered with during shipment, resulting in customers receiving unauthorized products or simply receiving an empty box, this can negatively impact your brand's image. Once bonded to the carton, our water-activated tape penetrates the cardboard fibers, forming a strong, permanent bond. If you attempt to remove it, a visible tear mark remains, providing a visible anti-theft and tamper-evident seal and providing an additional layer of security for your product.   Excellent Adhesion:   The starch-based adhesive, activated by water, quickly penetrates the carton surface, forming a stronger and more reliable bond than pressure-sensitive tape.   Compatible with Efficient Complementary Tools:   To improve packaging efficiency, a variety of water-activated tape dispensers are available, including manual, electric, and even automated carton sealers. These tools precisely cut and dispense tape, significantly increasing packaging speeds and making them ideal for modern warehouses and logistics centers.   To accommodate various packaging needs, water-activated kraft paper tape offers a variety of options.   Non-Reinforced: Suitable for lightweight packaging, providing a fast seal.   Reinforced: With em...

Water-activated, non-reinforced kraft paper tape: A clever trick in the packaging workshop   At an e-commerce warehouse, the packaging line is always busiest at 3 p.m. Cardboard boxes roll non-stop on the conveyor belt, and workers must seal them in seconds. Some people use traditional scotch tape, which can make a crackling sound when peeled, causing the tape to tilt and requiring reapplying, impacting production efficiency. Meanwhile, operators simply use the JL3 patented water-activated tape dispenser to wet and cut a piece of paper. Press it against the box opening, and after a short while, the tape blends seamlessly with the carton fabric, leaving it smooth and clean.   This is the beauty of water-activated kraft paper tape. With its simple design, it's quietly changing the pace of the packaging workshop in terms of speed, environmental friendliness, and safety.   What makes it so useful?   Effortless: The starch-based adhesive on the back of the tape activates upon contact with water, creating a seamless seal. No more worrying about scotch tape warping halfway through application.   Cleaner: The taped box edges are smooth, without any wrinkles or overlaps, and stacked neatly in the warehouse, giving it a professional look.   Eco-Friendly: Made entirely of paper with natural starch, it can be recycled along with the cartons. Many companies pursuing sustainability consider it their first choice as an alternative to plastic tape.   Tamper-evident: Once opened, a clear tear mark remains on the surface of the carton, acting as a natural "seal."   While it's not a universal tape, it's more than adequate for most common e-commerce cartons, retail shipments, and even office document packaging.   Why is it gaining popularity?   A warehouse supervisor summarized it this way: "After we switched to water-activated paper tape, the workers said the most noticeable difference was the quietness. Without the noise of the tape ripping, the work environment is much more comfortable. Furthermore, each box is sealed neatly and securely, which provides a better unpacking experience for customers."   Environmental protection, efficiency, and tamper-proofing may sound like hype, but with daily use, they gradually translate into tangible changes: faster packaging, fewer returns, and a more relaxed work environment.   Conclusion   Water-activated, non-reinforced kraft paper tape may only play a minor role on the packaging line. However, the convenience it brings can unknowingly become a significant advantage in a company's packaging process. For companies that prioritize efficiency and environmental responsibility, it's not a future trend but an option that can be tried today.