Huber HN 532 Aluminum Hydroxide

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Huber HN 532 Aluminum Hydroxide
Categories:	Ceramic; Oxide; Aluminum Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	HN-532 is a halogen–free, very fine particle size ATH product that provides low cost flame retardant and smoke suppression in a variety of applications. The particle size distribution is specifically designed for low viscosity, high filler loading levels, and excellent processing characteristics, up to 200°C. Applications: HN-532 is recommended for spray-up or hand lay-up FRP applications, filament winding, panel production, resin injection, foam materials, add cast polyester and epoxy parts, coatings, adhesives, latex, vinyl and urethane. Physical Form: White powder Morphology: Hexagonal Platelets Generic Type: Aluminum trihydrate CAS No.: 21645-51-2 Information provided by J.M. Huber Corporation
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Physical Properties	Original Value	Comments

Specific Gravity	2.42 g/cc
Bulk Density	0.900 g/cc	packed
Brightness	96 %	Ry
Oil Absorption	>= 28 %	28 ml/100gm
Particle Size	6.0 µm	Median Particle Diameter
	<= 10 µm	Screen Analysis: 72.4 percent
	<= 45 µm	Screen Analysis: 99.98 percent
Specific Surface Area	3.0 m²/g	BET

Mechanical Properties	Original Value	Comments
Hardness, Mohs	3.0

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 7700 ohm-cm

Component Elements Properties	Original Value	Comments
Fe2O3	<= 0.020 %
Free Water	0.46 % @Temperature 105 °C	TGA
Loss on Ignition(%)	34.5 % @Temperature 550 °C
Na2O	0.050 %	soluble
	0.20 %	total
SiO2	<= 0.040 %

Descriptive Properties
Al(OH)₃ (%)	99.6
CIELAB, L*	98
Color	White powder
Functionality	Smoke Suppression
Market/Application: Building & Construction	Paints & Coatings
Market/Application: Thermosets	SMC/BMC

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EHUBER704 / 300810

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