Huber Micral® AM550 Aluminum Hydroxide

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Huber Micral® AM550 Aluminum Hydroxide
Categories:	Ceramic; Oxide; Aluminum Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Micral® AM550 is an ATH ultra fine product designed for thermoplastics, thermoset composites, latex coatings and rubber applications requiring a fine particle size coupled with a narrow particle size distribution. The narrow particle size distribution imparts a low surface area to Micral AM550 which can be important for formulation stability. Micral AM550 provides an economical approach to flame retardant and smoke suppression in applications such as urethane foam, unsaturated polyester resin, PVC, SBR belting, EPDM, EPR, adhesives, coatings, ABS, polyolefins and XLPE. 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	Original Value	Comments

Specific Gravity	2.42 g/cc
Bulk Density	0.450 g/cc	loose
	0.800 g/cc	packed
Brightness	95 %	TAPPI
Oil Absorption	>= 32 %	32 ml/100gm
Moisture Absorption	0.250 % @Temperature 105 °C	Free
Particle Size	<= 1.0 µm	5.5 percent
	5.5 µm	Median Particle Diameter
	<= 10 µm	87 percent
Particle Mesh Size	325 Mesh	0.01% on
	325 Mesh	99.96% through
Specific Surface Area	3.4 m²/g	BET

Component Elements Properties	Original Value	Comments
Fe2O3	0.0070 %
Loss on Ignition(%)	34.6 % @Temperature 1000 °C
Na2O	0.040 %	soluble
	0.30 %	total
SiO2	0.0050 %

Descriptive Properties
Al(OH)₃ (%)	99.6
Functionality	Low Viscosity Aid
	Smoke Suppression
Functionality: Optical effects	Opacity
Market/Application: Building & Construction	Paints & Coatings
Market/Application: Thermoplastics	Yes
Market/Application: Thermosets	Rubber & Plastics

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EHUBER751 / 300857

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