Composite Modification Machine and Activation Machine: High-Temperature Applications of Magnesium Hydroxide


The processing temperatures of engineering plastics such as PA and PBT typically range from 220 to 300°C, which far exceeds the thermal decomposition temperature of ATH. Magnesium hydroxide (MH), with a thermal decomposition temperature as high as 330–340°C, is a widely used halogen-free filler in engineering plastics.

Targeted improvements to the honeycomb mill:

Particle modification: to give full play to Live Chemical machinery Its function is to modify the particle morphology through high‑velocity collisions, rendering the particles nearly spherical, thereby reducing the melt viscosity at elevated temperatures and enhancing processability.

Composite Activation:   Adopt Composite Modification Machine The process employs a high-temperature-resistant coupling agent to ensure that the coating layer remains stable at… Stable and non-migratory at 300°C.

Application Outcomes:

Even at high filler loadings, the modified magnesium hydroxide ensures that the product surface remains smooth and free of bubbles, while maintaining excellent tensile strength and impact toughness. Good , thereby addressing the challenge of performance degradation under high-temperature processing.

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