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Hot-melt bead (also known as hot glues) are generally 100% solid formulations based on thermoplastic polymers (no water or solvents are involved) (no water or solvents are involved).
Hot melts are sold in a solid state at room temperature and are ‘activated’ upon heating beyond their softening point which is usually between 50 and 160 degrees.
The glue can be applied to a substrate in its liquified or molten condition after being melted (in a hot melt tank). The hot melt penetrates the substrate’s surface and any cavities to moisten it, and it subsequently solidifies to ensure cohesiveness.
It doesn’t take long for the setting or cooling to complete. An in-depth discussion of pressure-sensitive bead (PSA), which are tackier after cooling, will be saved for another time. A hot-melt glue rapidly increases its intrinsic strength when it returns to room temperature. A hot melt can act as a bead and has structural integrity when it has solidified.
When hot glue is liquid, it can be applied to a surface in a variety of methods, such as using a roller or, more frequently, by being jetted or sprayed from a nozzle or gun. Additionally, there are a variety of alternative application patterns, including dots, spiral sprays, and continuous lines.
The Global Hot Melt Bead market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Hot melt bead is best used in circumstances requiring streamlined manufacturing, simpler processing, and end-product protection.
Applications for hot melt beads are exceedingly varied. In addition to being utilised for medical, electronic, and automotive applications, the bead is employed in the production of hygiene, furniture, and packaging products. A selection of bead nozzles from Nordson are available with a range of orifices and engagements. Hot melt nozzles offer production flexibility and are simply swappable.
Due to their fine craftsmanship, adhesive nozzles can deliver accurate adhesive dispensing. Provide easily adaptable glue applicator nozzles for your production line so that it can handle a variety of tasks.
BÜHNEN Adhesives Systems Announces Key Strategic Partnership With GLS Products in North America – The German hot melt specialist BÜHNEN has strengthened its US business with a new distribution partner, GLS Products LLC, based in Charlotte, NC.
BÜHNEN further continues its expansion as a leading problem solver for applications with hot melt adhesives in North America and is excited by the potential of this new partnership. For the past 16 years GLS Products has been the US distribution partner for the British adhesive manufacturer Power Adhesives Ltd. and now extends its range with complementary products from BÜHNEN.
There are more than 500 hot melt adhesives in the BÜHNEN collection, catering to almost every use case. Drum smelters, tank systems of various sizes, hot melt glue guns for spray and bead application, and compatible spare parts for adhesive tank systems made by other manufacturers are also included.
The paper, packaging, automotive, specialized engineering, and furniture industries all make use of BÜHNEN adhesive systems.
The micro-precision adhesive applicator from BÜHNEN makes use of cutting-edge technology to precisely apply hot melt dots at high speed while maintaining high repeatability and long-term dependability. As a result, the barriers to converting from hot melt beads to dots are no longer present.
In order to rapidly apply 8,500 dots per minute, the system’s microprocessor-controlled timer and driver combine maximum device precision with immediate signal response. The most consistent operation and accuracy in dosing are guaranteed by the high speed solenoid valve.
Insulated pneumatic tubes and “Cool-Touch” insulated applicator covers reduce energy consumption, and the applicator’s robust design ensures a longer cycle life. A built-in filter keeps nozzles clean and can be changed quickly without taking the hose or applicator apart.
The applicator’s small size makes it easy to switch from standard adhesive heads. The company claims that packagers will also save money on equipment costs because BÜHNEN technology costs 25 to 30 percent less than comparable dot application systems.
For hot melt seals, the “start” of the bead is where the strength of the seal lies, and once broken, the seal integrity is compromised. Adhesive dots (or dashes) provide superior bonds by creating a new “start” at each dot, with the seal integrity intact until all the dots are broken.
To create these bonds, equipment tolerances must be precise and Meler’s proven quality removes this factor from the equation. These systems are designed for repeatability, longevity and reliability with extended cycle capability proven in production.
