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Microcrystalline wax is primarily used in adhesives as a viscosity modifier, tackifier, and filler. It can significantly alter the physical properties of adhesives to meet various application requirements.
Reducing viscosity and improving flow: As the component with the lowest viscosity in hot-melt adhesives, increasing the amount of microcrystalline wax can significantly reduce the melt viscosity of the adhesive, improve its flow, and make the application process smoother and the coating more uniform.
Adjusting setting speed: By adjusting the amount of microcrystalline wax, the setting speed of the hot-melt adhesive can be controlled, enabling rapid bonding and improving production efficiency.
Enhancing cohesive toughness and elasticity: The fine crystalline structure of microcrystalline wax imparts better elasticity, flexibility, and plasticity to the adhesive, making it less prone to cracking.