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Oceanchem Group Magnesium Hydroxide

Category Other Engineering Material , Additive/Filler for Polymer
Manufacturer Oceanchem Group
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Molecular Formula: Mg(OH)2Cas No.: 1309-42-8Use: Magnesium hydroxide is a non-halogen flame retardant recommended where use of halogenated products is limited or prohibited. In addition, it is an excellent smoke suppressant and acid scavenger. Its high thermal stability, up to 340°C, enables its use where Aluminum trihydrate is not sufficiently stable. It is used as a flame retardant and smoke suppressant in cables, LD and HDPE, PP homo and copolymers and nylons. It is employed as a smoke suppressant in PVC. It is available in several surface-treated grades which are suited to specific applications.Storage and Handling: Store in a dry, cool, well ventilated area.Information Provided by Oceanchem Group
Physical Properties Metric English Comments
Specific Gravity 2.36 g/cc
2.36 g/cc
Bulk Density >= 0.260 g/cc
>= 0.00939 lb/in³
Oil Absorption >= 55 %
>= 55 %
ml/100g
Particle Size <= 9.0 µm
<= 9.0 µm
average
Specific Surface Area >= 30 m²/g
>= 30 m²/g
BET
Molecular Weight 58.3 g/mol
58.3 g/mol
Component Elements Properties Metric English Comments
Aluminum, Al <= 0.010 %
<= 0.010 %
CaO <= 0.10 %
<= 0.10 %
Iron, Fe 0.0050 %
0.0050 %
Processing Properties Metric English Comments
Moisture Content <= 1.0 %
<= 1.0 %
Free moisture content
Descriptive Properties Value Comments
325 Mesh Residual (%) <0.01
Appearance White free-flowing powder
CAS Number 1309-42-8
Chloride (%) 0.05
as Cl<sup>-</sup>
Insoluble (%) <0.05
in HCl
Loss on Drying (%) 0.2
Mg(OH)2 (%) >98
Molecular Formula Mg(OH)2
Weight Loss (%) <2.0
at 332°C
Whiteness >98
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