Huber SB 632 Aluminum Hydroxide

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Huber SB 632 Aluminum Hydroxide
Categories:	Ceramic; Oxide; Aluminum Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	SB-632 is a mechanically produced ATH product designed for plastic and rubber applications requiring a fine particle size. The high surface area of SB-632 provides a low-cost approach to flame retardant and smoke suppression in applications such as urethane foam, vinyl, SBR belting, EPDM, EPR, adhesives, coatings, ABS, polyolefins and XLPE. A complete range of surfacing 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	0.450 g/cc	0.0163 lb/in³	loose
	0.930 g/cc	0.0336 lb/in³	packed
Brightness	95 %	95 %	TAPPI
Oil Absorption	>= 32 %	>= 32 %	32 ml/100gm
Moisture Absorption	0.300 % @Temperature 105 °C	0.300 % @Temperature 221 °F	Free
Particle Size	3.6 µm	3.6 µm	Median Particle Diameter
	<= 10 µm	<= 10 µm	94 percent
Particle Mesh Size	325 Mesh	325 Mesh	0.1% on
	325 Mesh	325 Mesh	99.9% through
Specific Surface Area	4.0 m²/g	4.0 m²/g	BET

Component Elements Properties	Metric	English	Comments
Fe2O3	0.0070 %	0.0070 %
Loss on Ignition(%)	34.6 % @Temperature 1000 °C	34.6 % @Temperature 1830 °F
Na2O	0.040 %	0.040 %	soluble
	0.24 %	0.24 %	total
SiO2	0.0050 %	0.0050 %

Descriptive Properties
Al(OH)₃ (%)	99.6
Functionality	Smoke Suppression
Functionality: Optical effects	High Gloss
Market/Application: Thermosets	Epoxy
Market/Application: Transportation	Coatings / Refinish Coatings

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EHUBER769 / 300875

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