Huber Magnifin H-7 Magnesium Hydroxide

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Huber Magnifin H-7 Magnesium Hydroxide
Categories:	Ceramic; Oxide; Magnesium Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	MAGNIFIN H-7 is a high-purity magnesium hydroxide. Based on a mineral raw material, the patented process guarantees a regular structure of the crystallite. MAGNIFIN H-7 conforms to the European Pharmacopeia. MAGNIFIN H-7 is tailor-made for plastic and elastomer applications and represents a halogen free flame retardant with low smoke emission and high thermal stability up to 340°C. During the decomposition process no toxic or corrosive gases are generated. CAS No.: 1309-42-8 EC/EINECS No.: 215-170-3 Information provided by J.M. Huber Corporation
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Physical Properties	Original Value	Comments

Specific Gravity	2.40 g/cc
Bulk Density	0.300 - 0.500 g/cc
Brightness	>= 96 % @Wavelength 457 nm	DR LANGE Whiteness
Moisture Absorption	0.300 % @Temperature 105 °C	when packed
Particle Size	0.40 - 0.70 µm	d10, laser diffraction
	0.90 - 1.3 µm	d50, laser diffraction
	1.4 - 2.4 µm	d90, laser diffraction
	>= 45 µm	<0.1 percent Sieve Residue
Specific Surface Area	7.0 - 9.0 m²/g	BET

Mechanical Properties	Original Value	Comments
Hardness, Mohs	2.5

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 2900 ohm-cm	10% susp. in de-ion water

Optical Properties	Original Value	Comments
Refractive Index	1.56 - 1.58

Component Elements Properties	Original Value	Comments
Loss on Ignition(%)	31 % @Temperature 1200 °C

Descriptive Properties
Content	<1 ppm	B2O3
	<10 ppm	MnO
	<10 ppm	Cr2O3
	<10 ppm	Cu
	<200 ppm	SiO2
	<50 ppm	Al2O3
	<50 ppm	Fe2O3
	<50 ppm	CaO
	<50 ppm	NiO
	= 99.8%	Mg(OH)2
Functionality	Smoke Suppression
Market/Application: Building & Construction	Adhesives, Caulks & Sealants
Market/Application: Thermoplastics	PVC - Rigid
Market/Application: Thermosets	Elastomers (Cross-Linked)
Market/Application: Wire and Cable	Wire & Cable Jacketing - PVC

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EHUBER786 / 300892

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