Magnesia
High Purity Mg(OH)2 & MgO
Introduction of
Magnesia

Mg(OH)2 is a low smoke zero halogen flame retardant of plastic and rubber. Excellent flame retardant effect and can replace aluminum hydroxide. MgO is used for synthetic rubbers including CR and CSM to activate vulcanization, anti-scorching and acid neutralization.

Chemical analysis
ItemsUnitMg(OH)2MgO
XMH55XMH15XMH15STM(S5-C2)HQS
Mg(OH)2 / MgO%≥99≥97.5
Fe2O3≤0.05≤0.05≤0.05
CaO
Chloride as CI≤0.40≤0.40
Laser Particle Size D505~61~21~31~1.6
Whiteness%≥97≥97≥96≥96
LOI≥30≥30
H2O≤0.5≤0.5≤1≤0.5
Acid Insolubles≤0.1≤0.1≤0.1
BETm²/g714.16~955.1
Surface TreatmentFattic acidSilane