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CIMBAR UltraMag & UltraMag ST 3 Magnesium Hydroxide Powder

Category Other Engineering Material , Additive/Filler for Polymer
Manufacturer CIMBAR Performance Minerals
Trade Name UltraMag & UltraMag ST
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CIMBAR UltraMag & UltraMag ST 3 Magnesium Hydroxide Powder.pdf
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Material Notes:
UltraMag is a naturally ground, white, high-purity Magnesium Hydroxide suitable for a wide range of applications including water treatment slurries, plastics, rubber and flame-retardant/smoke suppressants. It has low corrosiveness and is non-toxic. UltraMag is a cost effective alternative to Hydrated Aluminas and precipitated Magnesium Hydroxide. Its higher initial decomposition temperature is 340°C, versus 230°C for ATH, which allows for use under higher processing temperature situations. UltraMag ST is a stearate-treated version of this material.Information provided by Cimbar Performance Minerals.
Physical Properties Metric English Comments
Specific Gravity 2.42 g/cc
2.42 g/cc
Oil Absorption 40 %
40 %
Moisture Absorption at Equilibrium <= 0.10 %
<= 0.10 %
Loss On Ignition 29 %

@Temperature 750 °C
29 %

@Temperature 1380 °F
Particle Size 2.0 - 4.0 µm
2.0 - 4.0 µm
D50
Particle Mesh Size 325 Mesh
325 Mesh
100% passing
pH 9.0 - 10
9.0 - 10
Mechanical Properties Metric English Comments
Hardness, Mohs 2.5
2.5
Component Elements Properties Metric English Comments
Al2O3 0.10 %
0.10 %
CaO <= 3.0 %
<= 3.0 %
Fe2O3 0.30 %
0.30 %
K2O 0.020 %
0.020 %
MnO <= 1.0 %
<= 1.0 %
Na2O 0.020 %
0.020 %
P2O5 0.10 %
0.10 %
SiO2 3.0 %
3.0 %
Descriptive Properties Value Comments
Color-L 93
Mg(OH)2 93
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