Magnesium Hydroxide, MDH-7.5 μm

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CAS 1309-42-8
Structure Magnesium Hydroxide, MDH-7.5 μm
Synonyms Magnesium Hydroxide,Brucite Powder
Molecular Formula Mg(OH)2
Melting Point 332°C (630°F)
Density 2.3446 g/cm³
Solubility Insoluble in water and alcohol, soluble in dilute acid and ammonium solution
Appearance White powder
Application It has three major functions – flame retardant, smoke suppression, and filling, and can be used as flame retardant filler for plastics, rubber, cables, etc.
Bulk Density 0.86
Content Fe Content, max. 0.3%
Decomposition Temperature 350 °C
Hardness 1.56-1.58 (Mohs hardness)
Loss On Ignition 28% @750°C
Moisture Content max 0.5%
Oil Absorption 18 ml/100g
Particle Size max. 7.5 μm D50
max. 43.0 μm D97
pH 10-12
RefractiveIndex 1.559
Specific Gravity 2.36 g/cm³
Whiteness 0.9

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