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Magnesium hydroxide



Zerogen® magnesium hydroxide products are flame retardants and smoke suppressants utilized in applications where processing temperatures are above 200°C. 

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Detailed information

Magnesium hydroxide has the same fire retardant mechanism as aluminum hydroxide. But there is one key difference: Magnesium hydroxide undergoes endothermic decomposition when water is released at 330°C or 626°F (aluminum hydroxide decomposes at 220°C). That means it is thermally stable at temperatures up to 110°C higher than aluminum hydroxide. 

Zerogen® grades are synthetic and surface-treated, offering a narrow particle size distribution, low surface area and high chemical purity – along with excellent chemical properties, compounding rheology and superior hydrophobicity. 


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