Huber SB 332 Aluminum Hydroxide

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Huber SB 332 Aluminum Hydroxide
Categories:	Ceramic; Oxide; Aluminum Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	SB-332 ground ATH that provides low cost flame retardance and smoke suppression, and arc-track resistance. The medium-fine particle distribution yields desirable flow properties, good physical properties and suspension characteristics required in SMC/BMC compression molding and many rubber compounds. Applications utilizing SB-332 includes SMC/BMC electrical switch gear, appliance electrical sheet and office equipment housings along with epoxies, polishes, adhesives and coatings. A complete range of surface modifications is available to aid processing and enhance physical properties. These include silanes, stearates and wetting agents. Technical service is available. 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	0.700 g/cc	0.0253 lb/in³	loose
	1.25 g/cc	0.0452 lb/in³	packed
Brightness	44 %	44 %	TAPPI
Oil Absorption	>= 29 %	>= 29 %	29 ml/100gm
Moisture Absorption	0.250 % @Temperature 105 °C	0.250 % @Temperature 221 °F	Free
Particle Size	<= 10 µm	<= 10 µm	53 percent
	11 µm	11 µm	Median Particle Diameter
Particle Mesh Size	325 Mesh	325 Mesh	0.1% on
	325 Mesh	325 Mesh	99.9% through
Specific Surface Area	1.8 m²/g	1.8 m²/g	BET

Component Elements Properties	Metric	English	Comments
Fe2O3	0.0060 %	0.0060 %
Loss on Ignition(%)	34.6 % @Temperature 1000 °C	34.6 % @Temperature 1830 °F
Na2O	0.080 %	0.080 %	soluble
	0.24 %	0.24 %	total
SiO2	0.0050 %	0.0050 %

Descriptive Properties
Al(OH)₃ (%)	99.6
Functionality	Smoke Suppression
Market/Application: Thermosets	SMC/BMC

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EHUBER766 / 300872

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