Hot melt adhesive (hot melt) is gaining ground in many industries thanks to its unique combination of speed, versatility and environmental friendliness. These thermoplastic adhesives are heated and applied in liquid form. After cooling, they harden within seconds, ensuring reliable, instant adhesion.
Key benefits
- Fast bonding Within seconds, the adhesive is cured, dramatically increasing throughput in production lines.
- No solvents Free of volatile organic compounds (VOC), safer for users and better for the environment.
- Strong and durable bond High initial and long-term bond strength on materials such as cardboard, wood, plastic, metal and textiles.
- Water and heat resistance Many formulations are water-repellent and retain their adhesion at higher temperatures.
- Easy automation They can be easily integrated with spraying, extrusion and coating equipment in full-time processes.
- Flexibility and resilience Elastic formulations absorb movement and vibrations, ideal for packaging and textile applications.
- Cost-effective Relatively low purchase price, minimal waste and long shelf life of the glue sticks or beads.
Further perspectives
- Chemistry behind hot melt Popular types: EVA (ethylene-vinyl acetate), polyolefin, TPU and reactive PUR hot melts with higher final strength and chemical resistance.
- Process optimisation Influence of application temperature, adhesive thickness and vacuum on adhesion quality.
- Sustainability trends Development of bio-based and recyclable hot melt formulations.
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