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	Metric	English	Comments

Specific Gravity	2.42 g/cc	2.42 g/cc
Bulk Density	0.900 g/cc	0.0325 lb/in³	packed
Brightness	96 %	96 %	Ry
Oil Absorption	>= 28 %	>= 28 %	28 ml/100gm
Particle Size	6.0 µm	6.0 µm	Median Particle Diameter
	<= 10 µm	<= 10 µm	Screen Analysis: 72.4 percent
	<= 45 µm	<= 45 µm	Screen Analysis: 99.98 percent
Specific Surface Area	3.0 m²/g	3.0 m²/g	BET

Mechanical Properties	Metric	English	Comments
Hardness, Mohs	3.0	3.0

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 7700 ohm-cm	>= 7700 ohm-cm

Component Elements Properties	Metric	English	Comments
Fe2O3	<= 0.020 %	<= 0.020 %
Free Water	0.46 % @Temperature 105 °C	0.46 % @Temperature 221 °F	TGA
Loss on Ignition(%)	34.5 % @Temperature 550 °C	34.5 % @Temperature 1020 °F
Na2O	0.050 %	0.050 %	soluble
	0.20 %	0.20 %	total
SiO2	<= 0.040 %	<= 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

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

EHUBER704 / 300810

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